撻手指 的英文是什麼~?

撻手指 snap your fingers
http://dictionary.cambridge.org/define.asp?key=75072&dict=CALD
snap your fingers

to a make a brief noise by pushing your second finger hard against your thumb and then releasing it suddenly so that it hits the base of your thumb:
He was snapping his fingers in time with the music.

(from Cambridge Advanced Learner's Dictionary)


圖片參考：http://tw.yimg.com/i/tw/ugc/rte/smiley_1.gif
peace

撻手指 的英文是 snap fingers

clicking fingers