| 诀窍 | jué qiào | secret; trick; knack; key | |
| 窍门HSK 6 | qiào mén | a trick; an ingenious method; know-how; the knack (of doing sth) | |
| 开窍 | kāi qiào | to get it straight; to start to understand things properly; enlightenment dawns | |
| 一窍不通 | yī qiào bù tōng | lit. doesn't (even) enter a single aperture (of one's head); I don't understand a word (idiom); it's all Greek to me | |
| 心窍 | xīn qiào | the mind; capacity for clear thinking |