
bang on (或upon)[口語]
1. 正中目標;完全正確,完全符合要求;非常恰當;很好
例句: Your answers banged on.
你的回答完全正確.
2. 猛擊;砰然重擊
例句: He banged on the door until she let him in.
他砰砰打門,一直到她開門讓他進去為止.
3. [英國口語]喋喋不休地談到,把...老掛在嘴上,沒完沒了地重復某事,嘮叨不停:
例句: He's banging on about his trip to America all morning.
整個上午他喋喋不休地談他的美國之行.
4. 撞上,碰著;
例句: She banged her head on the low ceiling.
她的頭砰地撞在低矮的天花板上.