a.

1. 骯髒的，汙濁的
   The foul air is unfit to breathe.

   骯髒的空氣不適宜呼吸。

2. 惡臭的；（食物）腐敗的
3. 邪惡的，可惡的
4. 下流的，惡語咒罵的
   The guests were shocked by the boy's foul language.

   男孩的粗話使客人們感到震驚。

5. （天氣等）惡劣的；（風）逆的
   The foul weather spoiled our vacation.

   惡劣的天氣把我們的假期糟踏了。

6. （比賽中）犯規的[Z][B]
7. （水管等）堵塞的[Z]
   The chimney is foul.

   煙囪堵塞了。

8. （繩索等）被纏住的[Z]

ad.

1. 違反規則地；不正當地
   He played his opponent foul.

   他用不正當手段對待對手。

n.

1. （比賽中）犯規[C][（+against/on）]
   The footballer was cautioned for a foul on an opponent.

   那個足球運動員因對對手犯規而受到警告。

vt.

1. 弄髒；汙染；玷汙
   The smoke fouled the air.

   煙汙染了空氣。

2. 使壅塞
   Grease has fouled this drain.

   油汙使這條排水管壅塞了。

3. 纏住
   The rope fouled the anchor.

   繩子把錨纏住了。

4. 碰撞

vi.

1. 腐敗，腐爛
2. （管道等）壅塞[（+up）]
3. （比賽中）犯規
   The basketball player fouled again.

   那個籃球運動員又犯規了。

4. （繩索等）纏結

adj.

1. offensive to the senses.
   ▸informal very disagreeable or unpleasant.
   ▸(of the weather) wet and stormy.
2. morally offensive; wicked or obscene.
   ▸done contrary to the rules of a sport.
3. polluted or contaminated.
   ▸ (foul with) clogged or choked with.
   ▸Nautical  (of a rope or anchor) entangled.

n.

v.

1. make foul; pollute.
   ▸make dirty with excrement.
2. (in sport) commit a foul against.
3. (foul something up or foul up) make a mistake with or spoil something.
4. (of a ship) collide with or interfere with the passage of (another).
   ▸cause (a cable, anchor, etc.) to become entangled or jammed.

[名]

1. 犯規。