dab hand

noun
🔊/ˌdæb ˈhænd/
🔊/ˌdæb ˈhænd/
(British English, informal)
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  1. a person who is very good at doing something or using something能手;高手
    • He's a dab hand at cooking spaghetti.他是煮意大利面条的高手。🔊🔊
    • She's a dab hand with a paintbrush.她是绘画能手。🔊🔊
    Word Originearly 19th cent.: of unknown origin.