彈指一揮間 tán zhǐ yī huī jiān

DEFINITIONS

  1. in a flash (idiom)

CHARACTERS

彈 tán pellet, bullet, shot, shell
指 zhǐ
HSK 4
finger, toe; point, indicate
一 yī
HSK 1
one; a, an; alone
揮 huī direct; wipe away; squander
間 jiān interval, space; place, between