/bæŋ; bæŋ/
v
1 (a) [Ipr, Tn, Tn.pr, Tn.p] strike (sth) deliberately and violently, often in order to make a loud noise 故意猛砸（常为产生巨响）
*He was banging on the door with his fist. 他用拳头砸门.
* I banged the door. 我砰的一声关上了门.
* She banged her fist on the table. 她用拳头猛捶桌子.
* I banged the box down on the floor. 我砰的一声把盒子摔在地板上.
(b) [I, Ip, Tn, Tn.p] ~ (sth) (down, to, etc) close with a loud noise 砰的一声关上
*A door was banging somewhere, ie opening and closing noisily. 不知哪里有扇门砰砰作响（开门和关门的响声）.
* Don't bang the door! 不要砰砰地关门!
* He banged the lid down. 他把盖子砰的一声关上了.
2 (a) [Tn, Tn.pr] hit violently and often unintentionally 猛击（常为无心地）
*She tripped and banged her knee on the desk. 她绊倒了, 膝盖猛磕在书桌上.
(b) [Ipr] ~ into sb/sth collide with sb/sth violently 猛撞着某人[某物]
*He ran round the corner and banged straight into a lamp-post. 他跑过拐角处时迎面撞在灯柱上.
3 [I, Ip] make a loud noise 发巨响
*The fireworks banged impressively. 烟火响声震天.
4 (phr v) bang about/around move around noisily 发出响声地动来动去
*We could hear the children banging about upstairs. 我们可以听见孩子们在楼上乒乒乓乓地跑来跑去. bang away
(a) (infml 口) work hard, esp using a typewriter 努力工作（尤指打字）.
(b) (sl 俚) have vigorous sexual intercourse 纵情性交.
(c) (infml 口) fire continuously 不断射击
*We were banging away at the enemy. 我们乒乒乓乓向敌人射击.
* The guns banged away all day. 枪炮声整天响个不停.

NOTE ON USAGE 用法
*
1 Knock means hitting something with a clear, sharp sound. *knock意为敲击某物而发出清脆的声音. One may knock to signal one's presence to others 可用敲击发出的声音向别人表示有人在此
*Can you go to the door? Someone's knocking. 你到门那儿去看看好吗? 有人敲门.
* He knocked at the window to be let in. 他敲敲窗户要进来. Knock can denote an accidental action which hurts or breaks something *knock 可指意外的动作, 可造成伤痛或毁坏东西
*I knocked my hand against the table. 我的手碰到桌子上了.
* I knocked the plate off the table with my elbow. 我的胳膊肘把盘子从桌上碰掉了.
2 Bump means hitting something by accident and with a dull sound *bump 的意思是偶然地碰撞某物并发出低沉的声音
*The bus bumped into the back of the car. 公共汽车砰的一声撞上了一辆汽车的後部.
* He ran round the corner and bumped into an old lady. 他跑过拐角处, 撞着了一个老太太.
* I bumped my head on the low beam. 我的头撞到低梁上了.
3 Bang suggests a harder blow and a louder sound. *bang 指撞击更重, 声音也更大. Banging may be intentional hitting, expressing anger or urgency 这种撞击可以是有意的, 表示气愤或着急
*He banged his fist on the table to emphasize his argument. 他用拳头敲着桌子为自己的辩驳助威.
* He banged on the door until it was opened. 他砰砰地敲门, 直到把门敲开为止. Banging may also be accidental and painful 这种撞击也可以是意外的及产生痛苦的
*I banged my elbow on the corner of the table. 我的胳膊肘撞着桌子角了.
4 Bash is informal and means breaking or injuring something or somebody by hitting hard *bash 是口语用词, 意为猛力地撞毁某物或撞伤某人
*The thieves bashed the woman over the head. 强盗猛击那女子的头部.
* The car bashed into the tree. 汽车猛力撞着一棵树.

/bæŋ; bæŋ/
n
1 violent blow 猛击; 猛撞
*He fell and got a nasty bang on the head. 他跌了一跤, 头部磕得很重.
2 sudden loud noise 突然的巨响
*She always shuts the door with a bang. 她关门时总是砰的一声.
* The firework exploded with a loud bang. 烟火砰的一声爆开了.
3 (sl 俚) act of sexual intercourse 性交
*have a quick bang 速决性交.
4 (idm 习语) go (off) with a `bang; US go over with a `bang (infml 口) (of a performance, etc) be successful （指演出等）取得成功.

interj (used to imitate a loud noise 用作模仿巨响的像声词)
*`Bang! Bang! You're dead!' shouted the small boy. ｀砰! 砰! 打死你了! 那小男孩嚷道.

/bæŋ; bæŋ/
adv (infml 口)
1 suddenly, violently or noisily; abruptly 突然地; 猛烈地; 发出响声地; 粗暴地
*I tripped and fell bang on the floor. 我绊倒了, 重重地跌在地板上.
2 (a) exactly; precisely 恰好; 正好
*bang in the middle of the performance 演出正进行到一半
* Your guess was bang on target. 你猜得对极了.
(b) completely 完全地; 彻底地
*This film is bang up to date. 这部影片是全新的.
3 (idm 习语) bang goes sth (infml 口) that is the (sudden) end of sth 为某事物的（突然的）结尾
*Bang went his hopes of promotion. 他获得晋升的希望突然破灭了. be bang `on (sl 俚) be exactly right 恰到好处
*Her criticisms were bang on every time. 她的批评每次都非常中肯.
* Your budget figures were bang on this year. 你今年的预算数字十分准确. go `bang (infml 口) burst or explode with a loud noise 在一声巨响中爆裂或爆炸.

/bæŋ; bæŋ/
n (usu pl 通常作复数) (US) = fringe1.