n.

1. 斷枝；剪枝
2. 缺牙；暴牙
3. 暗樁
4. 意料不到的障礙；潛在的困難
   We encountered a snag in the implementation of this project.

   在實施這個方案時我們遇見了一個潛在的困難。

vt.

1. 加以阻撓
2. 擱淺
3. 清除（江、河等）的暗樁
4. 快速尋獲；抓住
   The police snagged the thief before he could slip away.

   警方在小偷能夠逃亡之前就將他抓住。

n.

1. an unexpected or hidden obstacle or drawback.
2. a sharp or jagged projection.
3. a small rent or tear.
4. N. Amer. a dead tree.

v.

1. catch or tear on a snag.
2. N. Amer. informal catch; obtain.

n.