尽心竭力 jìnxīnjiélì to spare no effort; to do one's utmost Definitions Defs Origin Strokes Stroke Words Sentences Sents 尽心 盡心 jìnxīn wholeheartedly to do one's best; to put one's heart into 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
