dab handBrE /ˌdæb ˈhænd/ 🔊NAmE /ˌdæb ˈhænd/ 🔊 noun (BrE, informal) a person who is very good at doing sth or using sth 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。🔊🔊