1. turn off, switch off：關掉。
Can you turn off the air condition? It’s a little bit cold here.
2. drive off ：擊退
They fired their guns to drive off a pack of dogs.
3. knock off： 中斷、停止
The players knocked two minutes off in the game.
4. kick off： 開始
The show is about to kick off.
5. pay off：得到回報
His effort finally paid off.
6. put off：延期
The picnicking is put off because of the bad weather.
7. cut off：切下
Return the money, or I’ll cut off your fingers.
8. show off：炫耀
Stop showing off your ring!
9. call off：取消
Sorry, I have to call off the date.
10. get off：下車
When you see the library, you should get off right away.
11. take off：起飛、脫掉、離開
The weather is so hot. Why don’t you take off your jacket?