A fender-bender is a small car accident. Nobody is badly hurt. The cars just knock, often slowly, in a car park or in a queue of traffic, and you get a dent or a scratch.

A fender-bender is a small car accidentfender-bender是小車禍 Nobody is badly hurt沒有人受重傷 The cars just knock車子只是輕輕互撞 often slowly通常速度很慢 in a car park or in a queue of traffic在停車場或排隊的車陣裡 and you get a dent or a scratch然後車身留下凹痕或刮痕

Friends say this; newspapers and police would more often say “minor collision”. It is informal, and it sounds especially American, though British speakers use it too. It can sound a bit light, even cute — which is fine when the damage is tiny.

Friends say this朋友之間會這樣說 newspapers and police would more often say "minor collision"但報紙和警察比較常說「minor collision」（輕微碰撞） It is informal這是口語用法 and it sounds especially American而且聽起來特別美式 though British speakers use it too不過英國人也會用 It can sound a bit light, even cute這個字聽起來有點輕鬆，甚至有點可愛 which is fine when the damage is tiny損害很小的時候這樣說沒問題

Though actually, it would be the wrong word, and a bit unkind, if someone was hurt.

Though actually不過其實 it would be the wrong word, and a bit unkind這個字就用錯了，而且有點不厚道 if someone was hurt如果有人受傷的話

A fender is the part of the car over the wheel, the bit that often takes the bump. A bender, here, is “something that bends”.

A fender is the part of the car over the wheelfender是車輪上方的那個部件 the bit that often takes the bump也就是常常首當其衝被撞到的地方 A bender, here這裡的bender is "something that bends"意思是「會彎的東西」