bang1/bæŋ; bæŋ/n [C] 1 a sudden loud noise such as an explosion or something hitting a hard surface 砰的一声: There was a loud bang, followed by the sound of breaking glass. 先是砰的一声巨响﹐紧接着就是玻璃碎了的声音。The door closed with a bang. 门砰的一声关上了。see picture on page 见 A7 页图2 when part of your body hits something〔身体的〕撞击: +on He got a nasty bang on the head. 他的头被重重地撞了一下。3 bangs [plural 复数] AmE hair that is cut straight across the front of your head, above your eyes [ fringe BrE 【英】] 【美】刘海see picture at见 HAIR 图4 go with a banginformal if an event goes with a bang, it is very successful【非正式】极为成功: ideas to make sure your party goes with a bang 让聚会开得精彩的主意
bang2v [I,T] 1 to make a loud noise, especially by hitting something against something hard〔尤指通过重击〕(使)发出巨响﹐(使)砰砰作响: +on Someone was banging on the door. 有人在砰砰地敲门。bang sth on sth She banged her fists on the table. 她把拳头砰砰地砸在桌子上。A door banged downstairs. 楼下有扇门砰的响了一下。see box at见 HIT1 方框2 to hit part of your body against something by accident〔身体给意外地〕碰撞: bang sth on sth I banged my knee on the corner of the bed. 我的膝盖撞到了床角。+into He banged into the doorpost. 他撞到了门柱上。
bang3adv informal 【非正式】1 directly or exactly 直接地﹔恰好﹐正好: The train arrived bang on time . 火车正好准时到达。The technology is bang up to date . 这项技术是最先进的。2 bang goes sthBrE spoken used to show that you are unhappy because something you had planned will not happen【英,口】某事告吹了: Oh well, bang goes our night out. 啊﹐我们晚上出去的机会泡汤了。