煞费苦心 (煞費苦心) shā fèi kǔ xīn

shā fèi kǔ xīn set phrase to make a painstaking effort
Domain: Idiom 成语 , Subdomain: , Concept:
Notes: (CC-CEDICT '煞費苦心'; Guoyu '煞費苦心')

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