蓝颜知己 lányánzhījǐ close male friend Origin Definitions Defs Strokes Stroke Words Sentences Sents 蓝 藍 lán adjective blue blue; like the color of a clear sky颜 顏 yán face (bound form) face; facial expression; countenance知己 zhījǐ noun intimate friend A very close or bosom friend who understands one's heart; someone with whom one shares a deep and mutual understanding