vamp up (to improve or repair) They have vamped up the design. He can vamp up shoes and old boots in such a design that you would not know them. envocabulary.com
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keep down (to keep something at a low level) The government should do more to keep prices down. I walk to work because I want to keep my weight down. Keep your voice down; I’m trying to sleep. (to stop someone from being successful or happy) The soldiers are …
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keep back (to not go near) Keep back from the edge of the cliff; it isn’t safe. They erected a barrier to keep back the crowds. (to not tell something) I am sure he is keeping something back. I will not keep back anything from you. (to hide your feelings) She …
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keep at (to continue to do) You have to keep at your homework until you finish it. I know it’s not easy, but we’ve to keep at it and don’t give up. keep someone at (make someone to go on with) If you don’t keep him at his work, …
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keep after (to tell again and again to do something) His mother has to keep after him to brush his teeth. I wasn’t going to the party, but everybody kept after me. envocabulary.com
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