勞 láo labor Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: to trouble All meanings 5 láo 5 fatigue 1labor 1merit 1to reward 1to trouble 1 1 sentence for 勞 (láo — to trouble) 劳您费心了。 láo nín fèixīn le. Thank you for your trouble. Source: Dong Chinese Dictionary