| 窍 | qiào | intelligence; opening; tunnel to the heart (traditional concept) |
| 窍门 | qiào mén | a trick; an ingenious method; know-how; the knack (of doing sth) |
| 一窍不通 | yī qiào bù tōng | I don't understand a word (idiom); all Greek to me |
| 七窍生烟 | qī qiào shēng yān | lit. spouting smoke through the seven orifices (idiom); fig. to seethe with anger |
| 不开窍 | bù kāi qiào | unable to understand; can't get the point |
| 心窍 | xīn qiào | lit. tunnel to the heart (traditional concept); clear thought; recognition; understanding |
| 窍门儿 | qiào ménr | a trick; an ingenious method; know-how; the knack (of doing sth) |
| 诀窍 | jué qiào | secret; trick; knack; key |
| 开窍 | kāi qiào | to get it straight; to start to understand things properly; enlightenment dawns |
| 鬼迷心窍 | guǐ mí xīn qiào | lit. devil charms heart tunnel (idiom); infatuated; possessed by a devil |