vt.

1. 阻塞，堵塞
   The crash obstructed the road for several hours.

   车祸使道路堵塞了好几个小时。

2. 妨碍，阻扰，阻止
   It is a crime for the President to obstruct justice.

   总统阻挠司法是犯罪。

3. 挡住（视线），遮住
   Trees obstructed our view of the lake.

   树木遮住了我们的视线，使我们看不到湖。

v.

1. be in the way of; block.
2. prevent or hinder.