俯仰之間 fǔ yǎng zhī jiān

DEFINITIONS

  1. in a flash

CHARACTERS

俯 fǔ bow down, face down, look down
仰 yǎng raise the head to look; look up to, rely on, admire
之 zhī marks preceding phrase as modifier of following phrase; it, him her, them; go to
間 jiān interval, space; place, between