1. He was able to cast off such an uninteresting task.
   他终于摆脱了这么一项乏味的工作。
2. Snakes cast off and renew their skins.
   蛇会蜕壳换新。
3. The horse cast a shoe,ie One of its shoes came off.
   这匹马的一只蹄铁脱落了.
4. The people cast off the things that they didn't need.
   人们将他们不要的东西丢弃。
5. He cast off his clothes and dived into the swimming pool.
   他脱下衣服跳进游泳池。

　2个动词解释