Containing this entry
| 吃一堑,长一智 | chīyīqiàn,zhǎngyīzhì | Fall into the moat and you'll be wiser next time (idiom); One only learns from one's mistakes. |
| 地堑 | dìqiàn | trench, rift valley |
| 堑壕 | qiànháo | trench; entrenchment |
| 天堑 | tiānqiàn | natural moat |
| 东非大地堑 | Dōng Fēidàdìqiàn | Great East African rift valley |