穿上校服谁敢说咱不乖
[chuān shàng xiào fú shéi găn shuō zán bù guāi]
'Once We Wear School Uniforms, Who Dare Say We're Not Well-Behaved?' Expresses a sense of obedience and compliance under certain social constraints or rules such as school regulations. Suggests a conformity that comes when donning the identity associated with formal roles like being students.