C 於伤；伤痕；擦伤a mark caused by a blow or fall, resulting in discoloring of the skin of a human, animal, or fruit but not breaking of the skin

　He was covered with bruises.　他浑身於肿。
　The pear had bruises of dark spots.　这个梨子有碰伤的黑斑。
　The bruise became black and blue.　伤痕变成青紫色。

　vt. & vi.（使）碰伤〔擦伤〕，（使）成於伤 cause a bruise on

　bruise　用作动词的基本意思是“（使）碰伤〔擦伤〕，（使）成於伤”，既可指人、动物受到某种轻微伤害，也可指水果等碰坏，还指人的自尊心、感情受到伤害。

　～ one's leg　碰伤了腿
　～ easily　容易受伤害

　Her feeling bruised easily.　她的感情容易受伤害。
　Don't drop apples; they bruise easily.　苹果易碰伤，要小心轻放。
　She bruised herself against the desk.　她撞到书桌上，受了於伤。
　She fell and bruised her knee.　她摔伤了膝盖。

　［词源］中古英语brusen（毁损，损坏）