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Open the tool →悉心竭力 (xī xīn jié lì) is a Chinese idiom (chengyu) meaning “to devote all one's care and effort”.
悉心竭力 is pronounced xī xīn jié lì in Mandarin Chinese.
Literally, 悉心竭力 means “to devote one's heart and exhaust one's strength; to put in all one's care and effort”. It is used to mean “to devote all one's care and effort”.
悉心:尽心。竭尽智慧和力量