leave off基本解释
停止（做）某事， 戒掉；戒除

When you leave off do you turn off water tap ?
你在离开水龙头时随手关掉水吗？
It is time leave off talking and to start acting .
现在该停止讨论开始行动了。
Then you should leave off bothering me okay ?
你安静点，别烦我好吗？
There is this vice in all singers that if asked to sing among their friends they are never so inclined but unasked they never leave off .
所有歌手都犯此毛病，请他在朋友之间唱，他们不是那么愿意，但不被邀请，他们又死赖不走。
I wish he 'd leave off moaning about everything !
我希望他不要对任何事都抱怨个不停！
Leave off ! You 'll break it if you 're not careful !
停止！你不小心的话会把它破的！