| 忌讳HSK 6 | jì huì | taboo; to avoid as taboo; to abstain from | |
| 直言不讳 | zhí yán bù huì | to speak bluntly (idiom); not to mince words | |
| 避讳 | bì huì | to avoid a taboo word or topic | |
| 隐讳 | yǐn huì | to hold back from saying precisely what is on one's mind | |
| 讳莫如深 | huì mò rú shēn | important matter that must be kept secret (idiom); don't breathe a word of it to anyone! |