1. C 猛击，猛撞　a sharp knock or blow
2. C 巨响，爆炸声　a sudden loud noise

　bang　用作名词的意思是“猛击，猛撞”，还可指撞击所发出的巨响，引申可表示“强烈的效果，刺激等”。

　She fell and got a nasty bang on the knee.　她摔倒了，膝盖猛撞在地上。
　The door shut with a bang.　门砰地一声关上了。
　The publication of the new magazine has made less of a bang than the publishers hoped for.　新杂志的出版引起的回响不如出版者所期望的那样强烈。

 ♣ go off with a bang
　极为成功，大受欢迎　be very successful
　The party really went off with a bang!　聚会确实极为成功！

1. vt.猛击，猛撞　hit sharply
2. vi.发出砰的一声，砰砰作响，砰地敲〔推，扔　〕make a sharp loud noise or noises

　bang　用作动词的基本意思是“猛击，猛撞”，引申可表示“发出砰的一声，砰砰作响，砰地敲、推或扔”；用作及物动词时，其后可接名词或代词作宾语，撞击对象时常由against或on引出。

　～ away at　向…发动猛攻
　～ against　撞到…上
　～ into　撞到…上
　～ on　猛击

　There is someone banging about upstairs.　楼上有人砰砰啪啪，弄得噪音不绝。
　They were banging on the door with their fists.　他们用拳头砰砰地猛敲门。
　He fell and banged his knee.　他摔倒在地，撞到了膝盖。
　I banged my head on the low ceiling.　我的头撞在低矮的天花板上。

 ♣ bang about〔around〕　(v.+adv.)
　发出响声地动来动去　move around noisily
　Stop banging about, children, Father is trying to sleep.　孩子们，别到处乱敲！爸爸想睡觉。
 ♣ bang away　(v.+adv.)
　不断射击　fire continuously
　The soldiers were banging away at the target.　士兵们不断地向靶子射击。
 ♣ bang into　(v.+prep.)
　猛撞着某人〔某物〕　collide with sb/sth violently
　I've banged into the doorpost and hurt my arm.　我撞着了门柱，把臂伤了。

 ♣ bang, bash, bump, knock
　这四个词意思相近，但有区别：bash是口语用词，意为猛力地撞毁某物或撞伤某人；bump的意思是偶然地碰撞某物并发出低沉的声音；bang则指撞击较重，声音也较大；knock意为撞击某物而发出清脆的声音，可指意外的动作，可造成伤痛或毁坏东西。

　［同义词］ n. beat, loud sound, noise