用心竭力 yòngxīnjiélì attentively and diligently Definitions Defs Origin Strokes Stroke Words Sentences Sents 用心 yòngxīn verb + noun diligent to be attentive; to be diligent or careful; to apply oneself to something竭力 jiélì to do one's utmost To use all of one's strength or power to do something; to do everything within one's power
