hand on,hand in,hand up,hand over词组的区别
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hand on: 传给另一人,如: After you read it, please hand it on to your friends.hand in: 交上去(给老师或上级),交来,如:Each student have to hand in their compositions every week.hand over: 移交, 拿给(另一人),如:When Mr Smith gets old, he will hand over his business to his son. The thief was handed over to the police.hand up是没有的短语