


刳精鉥心 is a Chinese idiom (chengyu) meaning “to apply oneself with extreme diligence and painstaking effort, especially in intellectual or creative work; to rack one's brains”. Literally, “To hollow out one's essence and engrave one's heart”.

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Open the tool →刳精鉥心 (kū jīng shù xīn) is a Chinese idiom (chengyu) meaning “to apply oneself with extreme diligence and painstaking effort, especially in intellectual or creative work; to rack one's brains”.
刳精鉥心 is pronounced kū jīng shù xīn in Mandarin Chinese.
Literally, 刳精鉥心 means “to hollow out one's essence and engrave one's heart”. It is used to mean “to apply oneself with extreme diligence and painstaking effort, especially in intellectual or creative work; to rack one's brains”.
极言用心劳苦。