vi.

1. 碰，撞[Q][（+against/into）]
   The bus bumped into the car in front.

   巴士撞上了前面那輛汽車。

2. 顛簸著行進[Q][（+along）]
   The jeep bumped along the rough mountain road.

   吉普車在崎嶇的山路上顛簸行駛。

vt.

1. （使）猛擊；（使）衝撞；撞傷
   The room was dark and he bumped his head against the shelf.

   房間一片漆黑，他將頭撞到了架子上。

2. 【美】【俚】擠掉……的座位；取代……的職務
3. 【俚】殺死，謀殺

n.[C]

1. 重擊；猛撞，碰撞
   A bump on the head caused her amnesia.

   她因頭部撞了一下而得了健忘症。

2. （因碰撞而起的）腫塊
   I had a bump on my leg.

   我腿上有個腫塊。

3. （路面的）凸塊
   She tripped over a bump on the road.

   她被路上一塊隆起的地面絆了一下。

4. 【口】能力，才能[the S]
5. （飛機因氣流上升而產生的）空中顛簸
6. 因客滿而未能搭乘原定班機
   Some passengers have to be bumped through over-booking.

   由於航空公司劃位超額，有些旅客不能搭乘原預定班機，只好改搭下一班。

ad.

1. 突然地；猛烈地
   My car ran bump into the wall.

   我的汽車猛然撞上牆壁。

n.

1. a light blow or a jolting collision.
   ▸Rowing  (in races where boats make a spaced start one behind another) the point at which a boat begins to overtake or touch the boat ahead, thereby defeating it.
2. a protuberance on a level surface.
   ▸dated a lump on a person's skull, formerly thought to indicate a particular mental faculty.
3. Aeronautics  a rising air current causing an irregularity in an aircraft's motion.

v.

1. knock or run into with a jolt.
   ▸ (bump into) meet by chance.
   ▸Rowing  gain a bump against.
2. move or travel with much jolting.
3. (bump someone off) informal murder someone.
4. (bump something up) informal make something larger or appear to be larger.
5. refuse (a passenger) a reserved place on a flight because of deliberate overbooking by the airline.
   ▸N. Amer. displace from a job or position.