| 开始HSK 2 | kāi shǐ | to begin; beginning; to start; initial; Classifiers: 个 | |
| 离开HSK 3 | lí kāi | to depart; to leave | |
| 开发HSK 5 | kāi fā | to exploit (a resource); to open up (for development); to develop | |
| 开展HSK 6 | kāi zhǎn | to launch; to develop; to unfold; (of an exhibition etc) to open | |
| 开放HSK 5 | kāi fàng | 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 |