循規(guī)蹈矩（循規(guī)蹈矩）　

◎ 循規(guī)蹈矩 xúnguī-dǎojǔ

(1) [nice;act with directions;follow the usual rules and regulations;toe the line] 適合常規(guī)和習俗

與鎮(zhèn)上循規(guī)蹈矩的人合不來

(2) 也用于形容拘守成規(guī),不敢有所變動

皆因看的你們是三四代的老媽媽,最是循規(guī)蹈矩。——《紅樓夢》