vt.

1. 拍打；拍击[（+away/off）]
   I flapped the flies away but soon they flew back.

   我把苍蝇赶走，但一会儿又飞回来了。

2. 使（上下，前后地）拍动，飘动；（鸟）振（翅）
   Some doves were flapping their wings over the square.

   有几只鸽子在广场上空振翅飞翔。

3. 拉下（帽）的边
4. 扔，掷
   Taylor flapped the document down angrily.

   泰勒气得把文件一扔。

5. 唤起……注意，鼓动

vi.

1. 拍动；飘动；（鸟翼等）扑动
   The flag flapped in the breeze.

   旗帜在微风中飘动。

2. 拍翅飞行[Q]
3. （帽边等）垂下[（+down）]
4. 讲蠢话；空谈，唠叨[（+about）]
   What's the point of flapping about it now?

   现在空谈这件事有什么用？

5. 【口】激动；慌乱；忧虑

n.[C]

1. 拍动，拍打；拍打声
2. 垂下物；（袋）盖；（帽）边；（信封的）盖口
   I licked the flap of the envelope and sealed it.

   我舔了舔信封盖口，把它封好。

3. 【口】激动；慌乱（状态）[S]
   She was in a bit of flap.

   她有点慌乱。

4. 【空】（飞机的）襟翼，阻力板
5. （折叠式桌子的）折板
6. （鱼的）鳃盖

v.

1. move or be moved up and down or to and fro.
2. (flap at) strike at loosely.
3. Brit. informal be agitated.

n.

1. a piece that is attached on one side only.
2. a hinged or sliding section of an aircraft wing used to control lift.
3. a single flapping movement.
4. informal a state of agitation.
5. a large broad mushroom.