when/while somebody's back is turnedif something happens when your back is turned, it happens when you are not able to see or know what someone is doing 在某人转身的时候〔指在看不见或不知道的时候〕 What are your kids up to when your back is turned? 你的孩子在你不知道的时候会搞些什么鬼？
when/while somebody’s back is turned• Once, despite the age requirement, my sister charms her way on to this ride while my back is turned.
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