效力 xiàolì HSK7 to serve Origin Definitions Defs Strokes Stroke Words Sentences Sents xiàolì to serve 效 xiào verbnoun to devote (bound form) to devote oneself to; to render service; to offer up力 lì noun strength physical strength; power; mightxiàolì effectiveness 效 xiào nounverb effect (bound form) effect; result; efficacy; function力 lì noun power power, efficacy, or force of inanimate things such as wind, water, or fire