循规蹈矩
xúnguīdǎojǔ
=
循
+
规
+ 蹈 + 矩
Idiom, Proverb or Saying: steadfastly follow rules + regulations
eg.
Cl1#5
⇐
循规蹈矩xúnguīdǎojǔ = 循 + 规 + 蹈 + 矩