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Open the tool →镂心呕血 (lòu xīn ǒu xuè) is a Chinese idiom (chengyu) meaning “to conceive or compose with painstaking effort, often enduring great mental or physical strain; to pour one's heart and soul into a creative endeavor”.
镂心呕血 is pronounced lòu xīn ǒu xuè in Mandarin Chinese.
Literally, 镂心呕血 means “Carve heart, vomit blood”. It is used to mean “to conceive or compose with painstaking effort, often enduring great mental or physical strain; to pour one's heart and soul into a creative endeavor”.
比喻苦心构思。