Read Edit View history 不遗余力 bùyíyúlì spare no effort Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 不遗余力/不遺餘力 · bùyíyúlì · spare no effort 2026/03/04 不遗余力 / 不遺餘力 bùyíyúlì spare no effort to spare no pains or effort; to do one's utmost 政府正不遗余力地推动经济改革。 idiom created sense Mar 4, 2026, 02:25 AM