A dab hand 内行，老手

　　在英语里可以用 a dab hand 来形容某人是做某事的内行、老手。这个说法后常跟介词 at 来表示某人是哪个行当的能手。

　　例句

　　I'm going to ask my brother to help put up the shelves. He's a dab hand at DIY.

　　I'm not boasting, but I'm a dab hand in the kitchen. What would you like to eat?

　　请注意

　　To dab 的意思是轻轻地触摸、涂抹某物或擦拭液体。

　　例句

　　If you spill wine on the carpet, just dab it gently with a damp cloth. Don't rub it in.

　　Before she goes out my girlfriend always dabs some perfume behind her ears.