用心竭力 yòngxīnjiélì attentively and diligently Definitions Defs Origin Strokes Stroke Words Sentences Sents 用心竭力 yòngxīnjiélì attentively and diligently (idiom) to exert one's heart and strength to the utmost; to do something with full concentration and effort
用心竭力 yòngxīnjiélì attentively and diligently (idiom) to exert one's heart and strength to the utmost; to do something with full concentration and effort
