n.

1. 恐惧，忧虑，担心，挂念[C][U][（+about/for/over）]
   We felt no little apprehension over the result.

   我们对结果甚为忧虑。

2. 【书】逮捕，拘押[U]
   They will begin to cooperate in the apprehension of these gangsters.

   他们将合作捕捉这些歹徒。

3. 【书】理解，领悟[U]
   He is quick of apprehension.

   他理解力很敏锐。

n.

1. anxious or fearful anticipation.
2. understanding.
3. the action of arresting someone.