| 1 | 开始 | 開始 | kāi shǐ | kai1 shi3 | to begin; beginning; to start; initial; Classifiers: 个 | | |
| 2 | 开 | 開 | kāi | kai1 | to open; to start; to turn on; to boil; to write out (a prescription, check, invoice etc); to operate (a vehicle); carat (gold); abbr. for Kelvin, 开尔文 , book format | | |
| 3 | 离开 | 離開 | lí kāi | li2 kai1 | to depart; to leave | | |
| 4 | 开展 | 開展 | kāi zhǎn | kai1 zhan3 | to launch; to develop; to unfold; (of an exhibition etc) to open | | |
| 5 | 开发 | 開發 | kāi fā | kai1 fa1 | to exploit (a resource); to open up (for development); to develop | | |
| 6 | 打开 | 打開 | dǎ kāi | da3 kai1 | to open; to show (a ticket); to turn on; to switch on | | |
| 7 | 召开 | 召開 | zhào kāi | zhao4 kai1 | to convene (a conference or meeting); to convoke; to call together | | |
| 8 | 展开 | 展開 | zhǎn kāi | zhan3 kai1 | to unfold; to carry out; to be in full swing; to launch | | |
| 9 | 开放 | 開放 | kāi fàng | kai1 fang4 | to bloom; to open; to be open (to the public); to open up (to the outside); to be open-minded; unrestrained by convention; unconstrained in one's sexuality | | |
| 10 | 开会 | 開會 | kāi huì | kai1 hui4 | to hold a meeting; to attend a meeting | | |
| 11 | 公开 | 公開 | gōng kāi | gong1 kai1 | public; to publish; to make public | | |
| 12 | 开辟 | 開闢 | kāi pì | kai1 pi4 | to open up; to set up; to establish | | |
| 13 | 离不开 | 離不開 | lí bu kāi | li2 bu5 kai1 | inseparable; inevitably linked to | | |
| 14 | 开口 | 開口 | kāi kǒu | kai1 kou3 | to open one's mouth; to start to talk | | |
| 15 | 分开 | 分開 | fēn kāi | fen1 kai1 | to separate; to part | | |
| 16 | 开花 | 開花 | kāi huā | kai1 hua1 | to bloom; to blossom; to flower; fig. to burst open; to feel happy or elated; new development grows out | | |
| 17 | 开拓 | 開拓 | kāi tuò | kai1 tuo4 | to break new ground (for agriculture); to open up (a new seam); to develop (border regions); fig. to open up (new horizons) | | |
| 18 | 开支 | 開支 | kāi zhī | kai1 zhi1 | expenditures; expenses; Classifiers: 笔 , 项 ; to spend money; (coll.) to pay wages | | |
| 19 | 拉开 | 拉開 | lā kāi | la1 kai1 | to pull open; to pull apart; to space out; to increase | | |
| 20 | 推开 | 推開 | tuī kāi | tui1 kai1 | to push open (a gate etc); to push away; to reject; to decline | | |
| 21 | 张开 | 張開 | zhāng kāi | zhang1 kai1 | to open up; to spread; to extend | | |
| 22 | 改革开放 | 改革開放 | gǎi gé kāi fàng | gai3 ge2 kai1 fang4 | to reform and open to the outside world; refers to Deng Xiaoping's policies from around 1980 | | |
| 23 | 开玩笑 | 開玩笑 | kāi wán xiào | kai1 wan2 xiao4 | to play a joke; to make fun of; to joke | | |
| 24 | 开门 | 開門 | kāi mén | kai1 men2 | to open a door (lit. and fig.); to open for business | | |
| 25 | 开办 | 開辦 | kāi bàn | kai1 ban4 | to open; to start (a business etc); to set up | | |