有off 的短语

　　例句：

　　Who turned the heating off?

　　谁把暖气关掉了？

　　They're ready for the off.

　　他们准备起跑了。

　　Hang on tight. We're off!

　　抓紧，我们出发了！

　　That mark won't come off.

　　那污点去不掉。