规矩准绳 (規矩準繩) guī jǔ zhǔn shéng

guī jǔ zhǔn shéng set phrase compasses, set square, spirit level and plumbline; established standard; norms; criteria
Domain: Idiom 成语
Notes: (CC-CEDICT '規矩準繩')

Word is mentioned most frequently in

Truncated for common words