bump是什么意思

I've bumped against the door again.我又撞到了门上。

In the dark I bumped into a chair.我在黑暗中撞上了一把椅子，。

I bumped my head into a low stone.我的头撞到了一块石头。

I bumped into an old friend in town today.我今天在城里偶然碰见了一个老朋友。

The circulation of the magazine has been bumping along for some time at around 30,000.一段时间以来,杂志的销路一直在三万份上下摇摆。

The car bumped along the rough mountain road.汽车在崎岖的山路上颠簸行驶。

The cart bumped down the track.马车在小路上颠簸着前进。

The old man who owned the jewels was bumped off by the thieves.那个拥有珠宝的老人被小偷谋杀了。