打破砂锅问到底 (打破砂鍋問到底) dǎpò shā guō wèn dàodǐ

dǎpò shā guō wèn dàodǐ phrase to go to the bottom of things
Domain: Idiom 成语 , Subdomain: , Concept:
Notes: (CC-CEDICT '打破砂鍋問到底')