diff --git a/data/基础汉语40课 - 第17课.tsv b/data/基础汉语40课 - 第17课.tsv
index ead1a77..f652d1e 100644
--- a/data/基础汉语40课 - 第17课.tsv	
+++ b/data/基础汉语40课 - 第17课.tsv	
@@ -14,8 +14,6 @@
  4. just
  5. barely
  6. exactly"	gāng	刚	剛
-"1. summer
- 2. CL:個|个[ge4]"	xià tiān	夏天	夏天
 "1. to compare
  2. (followed by a noun and adjective) more {adj.} than {noun}
  3. ratio
@@ -68,3 +66,131 @@
  3. attendant
  4. customer service personnel
  5. CL:個|个[ge4],位[wei4]"	fú wù yuán	服务员	服務員
+"1. salt
+ 2. CL:粒[li4]"	yán	盐	鹽
+"1. to hold
+ 2. to seize
+ 3. to catch
+ 4. to apprehend
+ 5. to take
+ 6. (used in the same way as 把[ba3]: to mark the following noun as a direct object)"	ná	拿	拿
+"1. cigarette or pipe tobacco
+ 2. CL:根[gen1]
+ 3. smoke
+ 4. mist
+ 5. vapour
+ 6. CL:縷|缕[lu:3]
+ 7. tobacco plant
+ 8. (of the eyes) to be irritated by smoke"	yān	烟	煙
+"1. tone
+ 2. note
+ 3. a tone (on a Chinese syllable)
+ 4. CL:個|个[ge4]"	shēng diào	声调	聲調
+1. important; significant; major	zhòng yào	重要	重要
+1. grammar	yǔ fǎ	语法	語法
+"1. more
+ 2. even more
+ 3. further
+ 4. still
+ 5. still more"	gèng	更	更
+"1. additional
+ 2. in addition
+ 3. besides
+ 4. separate
+ 5. other
+ 6. moreover
+ 7. furthermore"	lìng wài	另外	另外
+"1. mistake
+ 2. wrong
+ 3. bad
+ 4. interlocking
+ 5. complex
+ 6. to grind
+ 7. to polish
+ 8. to alternate
+ 9. to stagger
+ 10. to miss
+ 11. to let slip
+ 12. to evade
+ 13. to inlay with gold or silver"	cuò	错	錯
+"1. almost
+ 2. nearly
+ 3. more or less
+ 4. about the same
+ 5. good enough
+ 6. not bad"	chà bu duō	差不多	差不多
+"1. ox
+ 2. cow
+ 3. bull
+ 4. CL:條|条[tiao2],頭|头[tou2]
+ 5. newton (abbr. for 牛頓|牛顿[niu2 dun4])
+ 6. (slang) awesome"	niú	牛	牛
+"1. to touch briefly; to tap
+ 2. to mark with a dot; to check off (on a list)
+ 3. to order (food etc); to select
+ 4. to mention; to bring up (a topic or person)
+ 5. to hint at; to imply
+ 6. to administer (eye medicine etc) in drops
+ 7. to light (a fire, a lamp etc); to ignite
+ 8. to nod (one's head) in agreement; to beckon by moving (one's hand) up and down
+ 9. point; dot; spot; speck
+ 10. dot stroke in Chinese characters
+ 11. (math.) decimal point
+ 12. point in time or space
+ 13. (after a number) o'clock
+ 14. a small amount; a bit; (after a verb or adjective) a bit more
+ 15. classifier for small amounts"	diǎn	点	點
+"1. only
+ 2. merely
+ 3. no more than
+ 4. but
+ 5. however
+ 6. anyway (to get back to a previous topic)
+ 7. cannot be more (after adjectival)"	bù guò	不过	不過
+"1. surely
+ 2. certainly
+ 3. necessarily
+ 4. fixed
+ 5. a certain (extent etc)
+ 6. given
+ 7. particular
+ 8. must"	yī dìng	一定	一定
+"1. thin
+ 2. to lose weight
+ 3. (of clothing) tight
+ 4. (of meat) lean
+ 5. (of land) unproductive"	shòu	瘦	瘦
+"1. anxious
+ 2. worried
+ 3. uneasy
+ 4. to worry
+ 5. to be anxious"	dān xīn	担心	擔心
+"1. to catch cold
+ 2. (common) cold
+ 3. CL:場|场[chang2],次[ci4]
+ 4. (coll.) to be interested in (often used in the negative)
+ 5. (Tw) to detest
+ 6. can't stand"	gǎn mào	感冒	感冒
+1. to take note of; to pay attention to	zhù yì	注意	注意
+"1. to be a substitute for; to act on behalf of; to replace; to substitute
+ 2. generation; dynasty; age; period; (historical) era; (geological) eon"	dài	代	代
+"1. towards
+ 2. to face
+ 3. to turn towards
+ 4. direction
+ 5. to support
+ 6. to side with
+ 7. shortly before
+ 8. formerly
+ 9. always
+ 10. all along
+ 11. (suffix) suitable for ...
+ 12. oriented to ..."	xiàng	向	向
+"1. other
+ 2. (sth or sb) else
+ 3. the rest"	qí tā	其他	其他
+"1. to say hello to
+ 2. to send one's regards to"	wèn hǎo	问好	問好
+"1. to hope
+ 2. a hope; a wish (CL:個|个[ge4])"	xī wàng	希望	希望
+1. smoothly; without a hitch	shùn lì	顺利	順利
diff --git a/data/基础汉语40课 - 第17课.txt b/data/基础汉语40课 - 第17课.txt
index 28e57b3..b7d2a28 100644
--- a/data/基础汉语40课 - 第17课.txt	
+++ b/data/基础汉语40课 - 第17课.txt	
@@ -1,7 +1,7 @@
 封
 完
 刚
-夏天
+夏天C
 比
 温度
 度
@@ -16,4 +16,28 @@
 一样
 明白
 被子
-服务员
\ No newline at end of file
+服务员
+盐
+拿
+烟
+声调
+重要
+语法
+更
+另外
+错
+差不多
+牛
+点
+不过
+一定
+瘦
+担心
+感冒
+注意
+代
+向
+其他
+问好
+希望
+顺利
\ No newline at end of file
diff --git a/data/基础汉语40课 - 第18课.tsv b/data/基础汉语40课 - 第18课.tsv
new file mode 100644
index 0000000..105cc35
--- /dev/null
+++ b/data/基础汉语40课 - 第18课.tsv	
@@ -0,0 +1,247 @@
+"1. illness
+ 2. CL:場|场[chang2]
+ 3. disease
+ 4. to fall ill
+ 5. defect"	bìng	病	病
+"1. to have a high temperature (from illness); to have a fever
+ 2. (fig.) to be fascinated with; to obsess over
+ 3. (fig.) flourishing; thriving; popular"	fā shāo	发烧	發燒
+"1. (it) hurts; sore
+ 2. to love dearly"	téng	疼	疼
+"1. always
+ 2. at all times
+ 3. never (if used in negative sentence)"	cóng lái	从来	從來
+"1. slightly
+ 2. a little
+ 3. somewhat"	yǒu diǎn r5	有点儿	有點兒
+1. to be afraid; to be scared	hài pà	害怕	害怕
+1. chauffeur; driver	sī jī	司机	司機
+"1. band
+ 2. belt
+ 3. girdle
+ 4. ribbon
+ 5. tire
+ 6. area
+ 7. zone
+ 8. region
+ 9. CL:條|条[tiao2]
+ 10. to wear
+ 11. to carry
+ 12. to take along
+ 13. to bear (i.e. to have)
+ 14. to lead
+ 15. to bring
+ 16. to look after
+ 17. to raise"	dài	带	帶
+"1. to register (at a hospital etc)
+ 2. to send by registered mail"	guà hào	挂号	掛號
+1. to go up	shàng qù	上去	上去
+1. to hear	tīng jiàn	听见	聽見
+1. to cry; to weep	kū	哭	哭
+"1. station
+ 2. to stand
+ 3. to halt
+ 4. to stop
+ 5. branch of a company or organization
+ 6. website"	zhàn	站	站
+"1. ability; talent
+ 2. sb of a certain type
+ 3. a capable individual
+ 4. then and only then
+ 5. just now
+ 6. (before an expression of quantity) only"	cái	才	才
+1. to go in	jìn qù	进去	進去
+1. doctor; physician	dài fu	大夫	大夫
+"1. throat
+ 2. voice
+ 3. CL:把[ba3]"	sǎng zi	嗓子	嗓子
+"1. to cough
+ 2. CL:陣|阵[zhen4]"	ké sou	咳嗽	咳嗽
+1. to fall ill	shēng bìng	生病	生病
+"1. sick person
+ 2. patient
+ 3. invalid
+ 4. CL:個|个[ge4]"	bìng rén	病人	病人
+1. to come in	jìn lái	进来	進來
+1. to go out	chū qù	出去	出去
+"1. to obtain
+ 2. to get
+ 3. to gain
+ 4. to catch (a disease)
+ 5. proper
+ 6. suitable
+ 7. proud
+ 8. contented
+ 9. to allow
+ 10. to permit
+ 11. ready
+ 12. finished"	dé	得	得
+"1. heavy
+ 2. serious
+ 3. to attach importance to"	zhòng	重	重
+"1. medicine
+ 2. drug
+ 3. substance used for a specific purpose (e.g. poisoning, explosion, fermenting)
+ 4. CL:種|种[zhong3],服[fu4],味[wei4]
+ 5. to poison"	yào	药	藥
+1. to give or get an injection	dǎ zhēn	打针	打針
+"1. elevator
+ 2. escalator
+ 3. CL:臺|台[tai2],部[bu4]"	diàn tī	电梯	電梯
+"1. to go down
+ 2. to descend
+ 3. to go on
+ 4. to continue
+ 5. (of a servant) to withdraw"	xià qù	下去	下去
+"1. to come up
+ 2. to approach
+ 3. (verb complement indicating success)"	shàng lái	上来	上來
+"1. half of the day
+ 2. a long time
+ 3. quite a while
+ 4. midair
+ 5. CL:個|个[ge4]"	bàn tiān	半天	半天
+"1. might (happen)
+ 2. possible
+ 3. probable
+ 4. possibility
+ 5. probability
+ 6. maybe
+ 7. perhaps
+ 8. CL:個|个[ge4]"	kě néng	可能	可能
+"1. to come down
+ 2. (completed action marker)
+ 3. (after verb of motion, indicates motion down and towards us, also fig.)
+ 4. (indicates continuation from the past towards us)
+ 5. to be harvested (of crops)
+ 6. to be over (of a period of time)
+ 7. to go among the masses (said of leaders)"	xià lai	下来	下來
+"1. still (as before)
+ 2. had better
+ 3. unexpectedly
+ 4. or"	hái shi	还是	還是
+"1. to come over
+ 2. to manage
+ 3. to handle
+ 4. to be able to take care of"	guò lái	过来	過來
+"1. (in the) past; former; previous
+ 2. to go over; to pass by"	guò qù	过去	過去
+"1. to return
+ 2. to go back"	huí qu	回去	回去
+"1. in good condition
+ 2. perfectly good
+ 3. carefully
+ 4. well
+ 5. thoroughly"	hǎo hāo r5	好好儿	好好兒
+1. to return; to come back	huí lai	回来	回來
+"1. to decide (to do something)
+ 2. to resolve
+ 3. decision
+ 4. CL:個|个[ge4],項|项[xiang4]
+ 5. certainly"	jué dìng	决定	決定
+1. to request leave of absence	qǐng jià	请假	請假
+1. (loanword) hamburger	hàn bǎo bāo	汉堡包	漢堡包
+1. french fries	zhá shǔ tiáo	炸薯条	炸薯條
+"1. sofa (loanword)
+ 2. CL:條|条[tiao2],張|张[zhang1]
+ 3. (Internet slang) the first reply or replier to a forum post"	shā fā	沙发	沙發
+"1. as if
+ 2. to seem like"	hǎo xiàng	好像	好像
+"1. belly
+ 2. abdomen
+ 3. stomach
+ 4. CL:個|个[ge4]"	dù zi	肚子	肚子
+"1. ache
+ 2. pain
+ 3. sorrow
+ 4. deeply
+ 5. thoroughly"	tòng	痛	痛
+"1. desperately serious
+ 2. disastrous
+ 3. extremely
+ 4. exceedingly"	bù dé liǎo	不得了	不得了
+"1. (bound form) up; upper; above; previous
+ 2. first (of multiple parts)
+ 3. to climb; to get onto; to go up
+ 4. to attend (class or university)
+ 5. (directional complement) up
+ 6. (noun suffix) on; above"	shàng	上	上
+"1. toilet; lavatory
+ 2. CL:間|间[jian1],處|处[chu4]"	cè suǒ	厕所	廁所
+"1. hotpot
+ 2. (basketball) a blocked shot; a block"	huǒ guō	火锅	火鍋
+1. ice cream	bīng qí lín	冰淇淋	冰淇淋
+"1. inspection
+ 2. to examine
+ 3. to inspect
+ 4. CL:次[ci4]"	jiǎn chá	检查	檢查
+"1. to pull
+ 2. to play (a bowed instrument)
+ 3. to drag
+ 4. to draw
+ 5. to chat
+ 6. (coll.) to empty one's bowels"	lā	拉	拉
+"1. to be careful
+ 2. to take care"	xiǎo xīn	小心	小心
+"1. thin piece
+ 2. flake
+ 3. a slice
+ 4. film
+ 5. TV play
+ 6. to slice
+ 7. to carve thin
+ 8. partial
+ 9. incomplete
+ 10. one-sided
+ 11. classifier for slices, tablets, tract of land, area of water
+ 12. classifier for CDs, movies, DVDs etc
+ 13. used with numeral 一[yi1]: classifier for scenario, scene, feeling, atmosphere, sound etc
+ 14. Kangxi radical 91"	piàn	片	片
+"1. on time
+ 2. before deadline
+ 3. on schedule"	àn shí	按时	按時
+"1. to hear (sth said)
+ 2. one hears (that)
+ 3. hearsay
+ 4. listening and speaking"	tīng shuō	听说	聽說
+"1. nose
+ 2. CL:個|个[ge4],隻|只[zhi1]"	bí zi	鼻子	鼻子
+"1. strawberry
+ 2. CL:顆|颗[ke1]
+ 3. (Tw) hickey
+ 4. love bite"	cǎo méi	草莓	草莓
+"1. to give guidance
+ 2. to mentor
+ 3. to counsel
+ 4. to coach
+ 5. to tutor"	fǔ dǎo	辅导	輔導
+1. to be concerned about; to care about	guān xīn	关心	關心
+"1. to speak
+ 2. to explain
+ 3. to negotiate
+ 4. to emphasize
+ 5. to be particular about
+ 6. as far as sth is concerned
+ 7. speech
+ 8. lecture"	jiǎng	讲	講
+"1. to request
+ 2. to require
+ 3. requirement
+ 4. to stake a claim
+ 5. to ask
+ 6. to demand
+ 7. CL:點|点[dian3]"	yāo qiú	要求	要求
+"1. notebook (stationery) (CL:本[ben3])
+ 2. (computing) laptop; notebook (abbr. for 筆記本電腦|笔记本电脑[bi3 ji4 ben3 dian4 nao3])"	bǐ jì běn	笔记本	筆記本
+"1. to feel relieved
+ 2. to feel reassured
+ 3. to be at ease"	fàng xīn	放心	放心
+"1. to record
+ 2. to note
+ 3. to memorize
+ 4. to remember
+ 5. mark
+ 6. sign
+ 7. classifier for blows, kicks, shots"	jì	记	記
+"1. paper (CL:張|张[zhang1],沓[da2])
+ 2. classifier for documents, letters etc"	zhǐ	纸	紙
diff --git a/data/基础汉语40课 - 第18课.txt b/data/基础汉语40课 - 第18课.txt
new file mode 100644
index 0000000..9f91916
--- /dev/null
+++ b/data/基础汉语40课 - 第18课.txt	
@@ -0,0 +1,67 @@
+病
+发烧
+疼
+从来
+有点儿
+害怕
+司机
+带
+挂号
+上去
+听见
+哭
+站
+才
+进去
+大夫
+嗓子
+咳嗽
+生病
+病人
+进来
+出去
+得
+重
+药
+打针
+电梯
+下去
+上来
+半天
+可能
+下来
+还是
+过来
+过去
+回去
+好好儿
+回来
+决定
+请假
+汉堡包
+炸薯条
+沙发
+好像
+肚子
+痛
+不得了
+上
+厕所
+火锅
+冰淇淋
+检查
+拉
+小心
+片
+按时
+听说
+鼻子
+草莓
+辅导
+关心
+讲
+要求
+笔记本
+放心
+记
+纸
\ No newline at end of file