| 不禁HSK 6 | bù jīn | can't help (doing sth); can't refrain from | |
| 禁不住 | jīn bu zhù | can't help it; can't bear it | |
| 情不自禁 | qíng bù zì jīn | unable to restrain emotions; cannot help | |
| 忍俊不禁 | rěn jùn bù jīn | cannot help laughing; unable to restrain a smile | |
| 弱不禁风 | ruò bù jīn fēng | too weak to stand up to the wind (idiom); extremely delicate; fragile state of health |
| 禁止HSK 4 | jìn zhǐ | to prohibit; to forbid; to ban | |
| 严禁HSK 6 | yán jìn | to strictly prohibit | |
| 禁毒 | jìn dú | drug prohibition | |
| 禁令 | jìn lìng | prohibition; ban | |
| 禁区 | jìn qū | restricted area; forbidden region |
| 1 | No smoking. | |
| 2 | Prohibited to carry hazardous substances. | |
| 3 | Smoking is prohibited in public places. | |
| 4 | The emperor lived inside the Forbidden City. | |
| 5 | Internet cafes are prohibited for minors. |