argued that the law is unconstitutional because it allows children to be subjected to cruel and unusual punishment.
是不是讲允许体罚小孩子呀？

unconstitutional 应该是 违宪(法) 吧? 违哪条俺也不知道
to be subjected 好象是把cruel and unusual punishment加在
小孩子头上，这里应该理解为，小孩子会[受到]，，，

不对，找老师吧，俺说的是好象是