a.

1. 法律上的，有关法律的[B]
   He intends to take legal action.

   他打算提出诉讼。

2. 合法的，正当的
   Gambling is not legal here.

   这里赌博是不合法的。

3. 法定的
   When you drive, you must not exceed the legal limit.

   你开车时不能超过法定的速度。

adj.

1. relating to, based on, or required by the law.
2. permitted by law.
3. N. Amer. referring to a size of paper that measures 22 × 35.5 cm (8.5 × 14 inches):
   a yellow legal pad.