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Từ điển Anh Việt - English Vietnamese Dictionary
check up on
check+up+on
|  | [check up on] |  | saying && slang | |  | see if everything is fine or safe | |  | He went to check up on the kids because they were crying. | |  | supervise, watch to see if it is done correctly | |  | They don't like a manager who is always checking up on them. |
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