操斧伐柯 cāo fǔ fákē

cāo fǔ fákē set phrase How to fashion an ax handle? You need an ax; to follow a principle
Domain: Idiom 成语 , Subdomain: , Concept:
Notes: Idiom from Book of Songs (CC-CEDICT '操斧伐柯'; Guoyu '操斧伐柯')