vt.

1. 澄清；阐明
   He clarified his stand on the issue.

   他澄清了他在该问题上的立场。

   His explanation clarified the mystery.

   他的说明解开了这个谜。

2. 净化
   It requires of us great efforts to clarify sewage in cities.

   净化城市的污水需要我们很大的努力。

3. 使清楚，使清醒
   My mind was clarified on this issue.

   对这个问题我的头脑变得清楚了。

vi.

1. 得到澄清；变得明晰
   His muddled brain suddenly clarified.

   他糊涂的头脑突然清醒过来。

2. 得到净化

v.

1. make more comprehensible.
2. [usu. as adj. clarified] melt (butter) to separate out the impurities.