early 14c., "a strike or blow," dialectal variant of Middle English dint (q.v.); sense of "indentation" first recorded 1560s, apparently influenced by indent.
dent (v.)
late 14c., from dent (n.). Related: Dented; denting.
权威例句
1. The commission had barely begun to make a dent in the problem.
委员会几乎还没有在这个问题上取得任何进展。
2. There was a dent in the car which hadn't been there before.
车上出现了一处以前没有的凹痕。
3. I don't know how it came about but I've got a dent in the rear of my car.