| 平仄 | píng zè | level and oblique tones (technical term for classical Chinese rhythmic poetry) | |
| 逼仄 | bī zè | narrow; cramped | |
| 仄声 | zè shēng | oblique tone; nonlevel tone; uneven tone (the third tone of classical Chinese) | |
| 仄径 | zè jìng | narrow path |
| 1 | He flattened the paper cups. | |
| 2 | I am so sorry about this. | |
| 3 | You can do it as usual. | |
| 4 | We regret that we have to cancel our order. | |
| 5 | I'm awfully sorry for my carelessness. |