Nantoka/堑qiànTraditional: 塹堑 (qiàn) is a Chinese word meaning “(bound form) moat; chasm”.Meanings1(bound form) moat; chasmRelated words堑壕战trench warfare天堑natural moat吃一堑，长一智Fall into the moat and you'll be wiser next time (idiom); One only learns from one's mistakes.地堑trench, rift valley堑壕trench; entrenchment路堑(civil engineering) cutting (for a railway or highway)东非大地堑Great East African rift valleyStudy Chinese with flashcards →