晝伏夜出 zhòu fú yè chū

DEFINITIONS

  1. nocturnal
  2. to hide by day and come out at night

CHARACTERS

晝 zhòu daytime, daylight
伏 fú crouch, crawl, lie hidden, conceal
夜 yè night, dark; in night; by night
出 chū go out, send out; stand; produce