| 严加 | yán jiā | sternly / strictly / harshly / stringently / rigorously |   |
| 严禁 | yán jìn | to strictly prohibit | |
| 一丝不苟 | yī sī bù gǒu | not one thread loose (idiom) / strictly according to the rules / meticulous / not one hair out of place | |
| 严查 | yán chá | to investigate strictly | |
| 严守 | yán shǒu | to strictly maintain | |
| 铁面无私 | tiě miàn wú sī | strictly impartial and incorruptible (idiom) | |
| 严格按照 | yán gé àn zhào | strictly according to | |
| 令行禁止 | lìng xíng jìn zhǐ | lit. if he orders you go, he forbids you stop (idiom) / fig. to demand exact compliance with instructions / to ensure strictly obedience | |
| 执法如山 | zhí fǎ rú shān | to maintain the law as firm as a mountain (idiom) / to enforce the law strictly | |
| 公事公办 | gōng shì gōng bàn | to do things in a strictly businesslike manner (idiom) | |
| 守正不阿 | shǒu zhèng bù ē | to be strictly just and impartial | |
| 凛遵 | lǐn zūn | to strictly abide by | |
| 严格来说 | yán gé lái shuō | strictly speaking | |
| 严格来讲 | yán gé lái jiǎng | strictly speaking | |
| 戒行 | jiè xíng | (Buddhism) to adhere strictly to the ethical precepts / asceticism | |
| 谨守 | jǐn shǒu | to adhere strictly (to the rules) | |
| 未可厚非 | wèi kě hòu fēi | not to be censured too strictly (idiom) / not altogether inexcusable / understandable | |
| 萧规曹随 | Xiāo guī Cáo suí | lit. Xiao's 蕭何|萧何[Xiao1 He2] governance followed by Cao 曹參|曹参[Cao2 Can1] (idiom) / fig. to strictly adhere to the policies of the predecessor / to follow precedent | |
| 严控 | yán kòng | to strictly control (abbr. for 嚴格控制|严格控制[yan2 ge2 kong4 zhi4]) | |
