| 1 | 改变 | 改變 | gǎi biàn | gai3 bian4 | to change; to alter; to transform | | |
| 2 | 改革 | 改革 | gǎi gé | gai3 ge2 | reform; Classifiers: 次 ; to reform | | |
| 3 | 改造 | 改造 | gǎi zào | gai3 zao4 | to transform; to reform; to remodel; to remold | | |
| 4 | 改善 | 改善 | gǎi shàn | gai3 shan4 | to make better; to improve; Classifiers: 个 | | |
| 5 | 改 | 改 | gǎi | gai3 | to change; to alter; to transform; to correct | | |
| 6 | 改进 | 改進 | gǎi jìn | gai3 jin4 | to improve; to make better; Classifiers: 个 | | |
| 7 | 改为 | 改為 | gǎi wéi | gai3 wei2 | to change into | | |
| 8 | 改良 | 改良 | gǎi liáng | gai3 liang2 | to improve (sth); to reform (a system) | | |
| 9 | 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 | | |
| 10 | 改编 | 改編 | gǎi biān | gai3 bian1 | to adapt; to rearrange; to revise | | |
| 11 | 改组 | 改組 | gǎi zǔ | gai3 zu3 | to reorganize; to reshuffle (posts etc) | | |
| 12 | 改正 | 改正 | gǎi zhèng | gai3 zheng4 | to correct; to amend; to put right; correction; Classifiers: 个 | | |
| 13 | 改用 | 改用 | gǎi yòng | gai3 yong4 | to change over to; to switch to; to use (sth different) | | |
| 14 | 改成 | 改成 | gǎi chéng | gai3 cheng2 | to convert; to turn into (sth else); to adapt (a story to another medium) | | |
| 15 | 改名 | 改名 | gǎi míng | gai3 ming2 | to change one's name | | |
| 16 | 改建 | 改建 | gǎi jiàn | gai3 jian4 | to rebuild; to transform (a building); to refurbish | | |
| 17 | 改良主义 | 改良主義 | gǎi liáng zhǔ yì | gai3 liang2 zhu3 yi4 | reformism (i.e. favoring gradual change as opposed to revolution) | | |
| 18 | 改水 | 改水 | gǎi shuǐ | gai3 shui3 | to improve water quality | | |
| 19 | 改掉 | 改掉 | gǎi diào | gai3 diao4 | to drop a bad habit | | |
| 20 | 改道而行 | 改道而行 | gǎi dào ér xíng | gai3 dao4 er2 xing2 | to change one's course of action (idiom) | | |
| 21 | 改道 | 改道 | gǎi dào | gai3 dao4 | to change route; to divert (a road or a watercourse) | | |
| 22 | 改革进程 | 改革進程 | gǎi gé jìn chéng | gai3 ge2 jin4 cheng2 | reform process | | |
| 23 | 改错 | 改錯 | gǎi cuò | gai3 cuo4 | to correct an error | | |
| 24 | 改嘴 | 改嘴 | gǎi zuǐ | gai3 zui3 | to deny; to go back on one's word | | |
| 25 | 改步换玉 | 改步換玉 | gǎi bù huàn yù | gai3 bu4 huan4 yu4 | to adopt different measures according to circumstances (idiom) | | |