尽心竭力 Traditional 盡心竭力 jìn xīn jié lì 🔊 to spare no effort (idiom) + Review this word Meanings jìn xīn jié lì 盡心竭力 to spare no effort (idiom); to do one's utmost Its characters 尽jǐnto the greatest extentHSK 6心xīnheartHSK 4竭jiéto exhaust力lìpowerHSK 5