尽心尽力 jìnxīnjìnlì to do one's utmost Origin Definitions Defs Strokes Stroke Words Sentences Sents 尽心 盡心 jìnxīn wholeheartedly to do one's best; to put one's heart into something尽力 盡力 jìnlì verb + noun to try one's best to strive one's hardest or do all one can