vt.

1. 防御；保卫；保护
   We shall defend our city, whatever the cost may be.

   不管代价如何，我们要捍卫我们的城市。

2. 【体】防守（球门等）
3. 【律】为……辩护；作……的辩护律师
   She defended herself successfully in court.

   她在法庭上成功地为自己作了辩护。

4. 为……辩护；为（论文等）答辩

vi.

1. 防御；保卫；保护
2. 【律】进行辩护；当辩护律师
3. 【体】防守

v.

1. resist an attack on; protect from harm.
2. conduct the case for (the party being accused or sued) in a lawsuit.
3. attempt to justify.
4. compete to retain (a title or seat).
5. (in sport) protect one's goal or wicket rather than attempt to score against one's opponents.