know

vt.[W]

1. 知道；了解；懂得[O2][+（that）][+wh-]
   I knew she was against us.

   我知道她反對我們。

2. 認識；熟悉
   We have known each other for many years.

   我們相互認識多年了。

3. 認出；辨別[（+by/from）]
   I know right from wrong.

   我能辨別是非。

4. 體驗，經歷
   I have known hunger and hardships.

   我經歷過飢餓和困苦。

5. （僅用於過去式和完成式）見到過，聽到過[O2][O3]
   I have never known him to lie.

   我從沒有聽說過他撒謊。

6. 精通（語言等）
   He knows five languages.

   他精通五種語言。

vi.[W]

1. 知道；了解，懂得[（+about/of）]
   There is one or two things I'd like to know about.

   有一兩件事我很想知道。