snags例句

This isn't so easy, so look out for the snags.
这并不那么容易, 当心碰到意想不到的困难.

These instruments are vulnerable to cable faults and snags.
这种仪器易于缠在岩石的断块和树枝上.

The apparent simplicity of this concept conceals innumerable snags.
这种表面很简单的概念却隐藏着无数的暗礁.