循规蹈矩（循規蹈矩）　

◎ 循规蹈矩 xúnguī-dǎojǔ

(1) [nice;act with directions;follow the usual rules and regulations;toe the line] 适合常规和习俗

与镇上循规蹈矩的人合不来

(2) 也用于形容拘守成规,不敢有所变动

皆因看的你们是三四代的老妈妈,最是循规蹈矩。——《红楼梦》