bump

verb

1. （无意地）碰，撞
   to hit sb/sth by accident
   1. In the dark I bumped into a chair.
      我在黑暗中撞上了一把椅子。
   2. The car bumped against the kerb.
      汽车撞上了路缘。
2. （尤指身体部位）碰上，撞上
   to hit sth, especially a part of your body, against or on sth
   1. Be careful not to bump your head on the beam when you stand up.
      当心站起来时头别撞了横梁。
3. 颠簸行进
   to move across a rough surface
   1. The jeep bumped along the dirt track.
      吉普车在土路上颠簸着行驶。
   2. The car bumped its way slowly down the drive.
      汽车沿车道缓慢地颠簸行进。
4. 把（某人）掉换到（另一群体或位置）；（从某群体）调出，开除（某人）
   to move sb from one group or position to another; to remove sb from a group
   1. The airline apologized and bumped us up to first class.
      航空公司道歉后把我们掉换到头等舱。
   2. If you are bumped off an airline because of overbooking, you are entitled to compensation.
      假如机票超售而不能登机，你有权获得赔偿。
   3. The coach told him he had been bumped from the crew.
      教练通知他已被调出赛艇队。

noun

1. 碰撞（声）；撞击（声）
   the action or sound of sth hitting a hard surface
   1. He fell to the ground with a bump .
      他砰的一声摔倒在地上。
   2. We could hear loud bumps from upstairs where the children were playing.
      我们能听到孩子们在楼上嬉戏的乒乓声。
2. 肿块（常因击打所致）
   a swelling on the body, often caused by a blow
   1. She was covered in bumps and bruises.
      她全身青肿，伤痕累累。
   2. How did you get that bump on your forehead?
      你额头上怎么起了个包？
3. 隆起；凸块
   a part of a flat surface that is not even, but raised above the rest of it
   1. a bump in the road
      路面上的凸块
4. 轻微撞车事故
   a slight accident in which your vehicle hits sth
5. 生日举放仪式（在孩子生日时将其举高后再放在地上的仪式，举放次数与年龄相等）
   (on a child's birthday) the act of lifting the child in the air and then putting them down on the ground, once for every year of their age
   1. We gave her the bumps.
      我们给她举行了生日举放仪式。

1. VERB （无意地）碰撞，冲撞
   If you bump into something or someone, you accidentally hit them while you are moving.
   1. They stopped walking and he almost bumped into them...
      他们停下了脚步，结果他差点儿撞到他们身上。
   2. There was a jerk as the boat bumped against something...
      船撞到什么东西，猛颠了一下。
   3. He bumped his head on the low beams of the house.
      他的头撞到了低矮的房梁上。
   4. Bump is also a noun.
      
   5. Small children often cry after a minor bump.
      小孩子常常是稍微磕碰一下就哭。
2. N-COUNT 碰撞；碰撞声
   A bump is the action or the dull sound of two heavy objects hitting each other.
   1. I felt a little bump and I knew instantly what had happened...
      我感觉到一点儿轻微的碰撞，便立刻意识到发生了什么。
   2. The child took five steps, and then sat down with a bump.
      小孩走了5步，接着扑通一声坐到了地上。
3. N-COUNT （碰撞造成的）肿块，鼓包
   A bump is a minor injury or swelling that you get if you bump into something or if something hits you.
   1. She fell against our coffee table and got a large bump on her forehead.
      她倒地时撞到我们的咖啡桌上，额头起了个大包。
4. （车辆的）轻微碰撞
   If you have a bump while you are driving a car, you have a minor accident in which you hit something.
5. N-COUNT （地面的）隆起，凸块
   A bump on a road is a raised, uneven part.
   1. The truck hit a bump and bounced.
      卡车开过路面上的隆起处，颠了一下。
6. VERB 颠簸而行
   If a vehicle bumps over a surface, it travels in a rough, bouncing way because the surface is very uneven.
   1. We left the road, and again bumped over the mountainside...
      我们驶离公路，再次在山腰上颠簸前行。
   2. The aircraft bumped along erratically without gathering anything like sufficient speed.
      飞机忽上忽下，飞行很不平稳，根本未达到应有的速度。
7. See also: goose bumps
8. PHRASE 猛然回到现实中来
   If someone comes down to earth with a bump, they suddenly start recognizing unpleasant facts after a period of time when they have not been doing this.
   1. Company bosses have come back down to earth with a bump after a period of post-election euphoria.
      公司老板们在经历了一段选举过后的兴奋之后，重又回到现实中来。

1. Actually, let's just read this little bit where you've made them bump into each other.
   这样吧，我们就只读你让他们偶遇这一小段吧。
2. They stopped walking and he almost bumped into them
   他们停下了脚步，结果他差点儿撞到他们身上。
3. There was a jerk as the boat bumped against something
   船撞到什么东西，猛颠了一下。
4. He bumped his head on the low beams of the house.
   他的头撞到了低矮的房梁上。
5. I felt a little bump and I knew instantly what had happened
   我感觉到一点儿轻微的碰撞，便立刻意识到发生了什么。
6. She fell against our coffee table and got a large bump on her forehead.
   她倒地时撞到我们的咖啡桌上，额头起了个大包。
7. The truck hit a bump and bounced.
   卡车开过路面上的隆起处，颠了一下。
8. We left the road, and again bumped over the mountainside
   我们驶离公路，再次在山腰上颠簸前行。
9. The aircraft bumped along erratically without gathering anything like sufficient speed.
   飞机忽上忽下，飞行很不平稳，根本未达到应有的速度。
10. Company bosses have come back down to earth with a bump after a period of post-election euphoria.
    公司老板们在经历了一段选举过后的兴奋之后，重又回到现实中来。
11. I happened to bump into Mervyn Johns in the hallway.
    我在走廊里意外碰见了默文·约翰斯。
12. They will probably bump you off anyway!
    不管怎样他们很可能会干掉你！
13. The extra cost will bump up the price
    额外的成本会使价格猛涨。
14. Add pasta to your salads to bump up your fibre intake.
    在色拉中加入意大利面条，增加你的纤维摄入量。
15. Joanna heard him bump into the table and curse again.
    乔安娜听见他撞到了桌子上，又骂骂咧咧的。
16. He felt a heavy bump, but paid no attention to it
    他觉得起了个大包，但是没有理会。
17. I tried to avoid her, but it was just my luck to bump into her.
    我不想见她，偏撞上她了。
18. He got a bad bump on his forehead.
    他碰得前额隆起一个大包。
19. I heard a bump in the next room.
    我听到隔壁房间传来“砰”的一声。
20. The stool is placed in front of the door, so people often bump against it when walking by.
    凳子放在门口，走路的时候总是磕碰。
21. She tripped over the bump on the sidewalk.
    她被人行道上一块隆起的地面绊了一下。
22. He had no idea how food prices had risen, so a day's shopping soon brought him down to earth with a bump!
    他不知道食品价格涨到了什么程度，一天的采购使他一下子面对了现实！
23. He got a nasty bump on the head.
    他头上起了一个大包。
24. My little sister got a bump on her forehead and asked mum to rub it for her.
    妹妹的脑门上碰了个包，让妈妈给她揉搓。
25. I felt my head bump against something.
    我感觉到我的头撞上了什么东西。
26. I'm so sorry to bump into you.
    对不起，我撞到你了。
27. Mommy fears you may bump your head.
    妈妈怕你碰了头。
28. We felt the bump and knew the boat had run aground.
    我们感到撞了一下，知道搁浅了。
29. Did you bump your head?
    你撞到你的头了吗？

  bump collide crash jar【导航词义：碰撞】

  bump v. 撞伤；（使）碰撞

〔辨析〕指人体某一部分不小心被撞伤，也指具体东西猛烈地碰撞。

  collide v. 碰撞，相撞；发生冲突

〔辨析〕通常指人或物在运动中与反方向的人或物相撞；也可指在某一问题上产生矛盾冲突。

  crash v. （使）猛撞，猛击

〔辨析〕指车辆、飞机等猛烈撞击障碍物、地面等，常伴有毁灭性的后果。

  jar v. 撞坏；震松

〔辨析〕指把某物撞坏或震松。

bump into sb

1. 碰见；偶然遇见
   to meet sb by chance
   1. In the dark I bumped into a chair.
      我在黑暗中撞上了一把椅子。
   2. The car bumped against the kerb.
      汽车撞上了路缘。

bump sb↔off

1. 谋杀；杀害
   to murder sb
   1. The jeep bumped along the dirt track.
      吉普车在土路上颠簸着行驶。
   2. The car bumped its way slowly down the drive.
      汽车沿车道缓慢地颠簸行进。

bump sth↔up

1. 增加；提高
   to increase or raise sth

n.

come back/down to earth (with a bang/bump)

bring sb (back) down to earth (with a bang/bump)

• （使）从幻想中清醒过来，回到现实中来
  to return, or to make sb return, to a normal way of thinking or behaving after a time when they have been very excited, not very practical, etc.

things that go bump in the night

• 夜里奇异可怕的响声；鬼魂；超自然现象
  used to refer to ghosts and other supernatural things that cannot be explained

noun

1. an impact (as from a collision)
   1. the bump threw him off the bicycle

   Synonym:    blow

2. something that bulges out or is protuberant or projects from its surroundings
   1. the gun in his pocket made an obvious bulge
   2. the hump of a camel
   3. he stood on the rocky prominence
   4. the occipital protuberance was well developed
   5. the bony excrescence between its horns

   Synonym:    bulgehumpswellinggibbositygibbousnessjutprominenceprotuberanceprotrusionextrusionexcrescence

3. a lump on the body caused by a blow

verb

1. knock against with force or violence
   1. My car bumped into the tree

   Synonym:    knock

2. remove or force from a position of dwelling previously occupied
   1. The new employee dislodged her by moving into her office space

   Synonym:    dislodge

3. dance erotically or dance with the pelvis thrust forward
   1. bump and grind

4. come upon, as if by accident
   1. We find this idea in Plato
   2. I happened upon the most wonderful bakery not very far from here
   3. She chanced upon an interesting book in the bookstore the other day

   Synonym:    findhappenchanceencounter

5. assign to a lower position
   1. She was demoted because she always speaks up
   2. He was broken down to Sergeant

   Synonym:    demoterelegatebreakkick downstairs