循规蹈矩 循規蹈矩

    xúnguīdǎojǔ

    1. Idiomto follow the compass and go with the set square (idiom); to follow the rules inflexibly; to act according to convention

    他做事很循规蹈矩,从不越雷池一步。Tā zuòshì hěn xúnguīdǎojǔ, cóngbù yuè léi chí yī bù.He is very conventional in his work and never steps out of line.