vi.

1. （球）彈起，彈回
   The football bounced off the goalpost.

   足球擊中球門柱彈了出去。

2. （人）跳（起）；躍；蹦蹦跳跳[Q]
   Upon hearing shouts of "Help", he bounced out of the house.

   一聽到有人叫"救命"，他就衝出屋子。

3. （支票）被拒付而退還給開票人
   Her check has bounced.

   她的支票被拒付而退回。

4. 【主英】吹牛，說大話

vt.

1. 拍（球）；使彈起
2. 使跳起[O]
   She bounced the child on her knees.

   她把孩子放在膝上顛動著玩。

3. （經通信衛星等）反射，轉播
   That TV program was bounced from a satellite in space.

   那個電視節目是由太空衛星轉播的。

4. 【英】嚇唬，恫嚇[（+into/out of）]
5. 【俚】解僱；攆走，逐出
   After starting a fight, he was bounced from the pub.

   在打架鬧事後，他被酒廊逐出來。

   He was bounced out of college.

   他被大學開除了。

n.

1. 彈，反彈；跳，躍[C]
   He got on the bus in a single bounce.

   他一躍就上了公車。

2. 彈力，彈性[U]
   The ball has lost its bounce.

   這球已失去彈力。

3. 【英】吹牛；嚇唬[U][S1]
4. 活力，勁兒[U]
   There is bounce in his step.

   他的腳步很有勁兒。

5. 【俚】解僱；驅逐[the S]

ad.

1. 砰地一下子；突然

v.

1. (of an object, especially a ball) spring quickly up or away from a surface after hitting it.
   ▸(of light, sound, or an electronic signal) reflect back from a surface.
   ▸ (also bounce back) (of an email) be returned to its sender after failing to reach its destination.
   ▸ (bounce back) recover well after a setback or problem.
2. move or jump up and down repeatedly.
   ▸move in an energetic or enthusiastic manner.
3. informal (of a cheque) be returned by a bank when there are insufficient funds in an account to meet it.
4. informal, chiefly N. Amer. dismiss from a job.
5. Brit. informal pressurize (someone) into doing something.

n.

1. a rebound of a ball or other object.
   ▸an act of bouncing up and down.
2. exuberant self-confidence.
3. health and body in a person's hair.