be a dab hand at/with somethingBritish EnglishBrE informalGOOD AT to be very good at a particular activity 擅长做某事be a dab hand at/with something• Workers at the Wellingborough factory are dab hands at turning out unusual orders.• However, they might be a dab hand at needlework or crochet.• She was a dab hand at couplets, was Rosie.• They should be dab hands with the diapers, and more in touch with their emotions.
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