两者都是动词短语,但用法不同,
它们所接的单词从下面例子可以看到：
She turned away from him so that he would not her see her cry
The restaurant was closed.Customers were being turned away.
Turning away,she said,"Goodbye Charlie.Hope I never see you again!"
The project went off very smoothly
We will have a fire drill at noon.When the siren goes off,we must all leave the room in an orderly manner.
Don't go off angrily.It was just a misunderstanding.
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