夜行昼伏 yèxíngzhòufú to travel by night and lie low by day Origin Definitions Defs Strokes Stroke Words Sentences Sents 夜行 yèxíng adjective night travel; nocturnal To travel or move at night; to walk, sail, or journey during the night-time hours昼 晝 zhòu nounadjective daytime daytime; the hours between sunrise and sunset; opposite of 夜 yè伏 fú adjectivenoun to hide to conceal oneself; to lie in ambush; to stay hidden