vt.[W]

1. 察觉；感知[O3][O4][+that]
   I perceived a man enter the house.

   我看到一个人走进这间房子。

   I can't perceive any difference between these coins.

   我看不出这些硬币有什么差别。

2. 意识到；理解[O2][O8][O9][+that][+wh-]
   He gradually perceived that his parents had been right.

   他渐渐地了解到他的父母是对的。

v.

1. become aware or conscious of.
2. regard as.