践踏tread on;trample underfoot;trample on(or upon);violate;make havoc of
国际法原则不容～。Norms of international law brooks no violation./肆意～别国主权wantonly trample on the sovereignty of other countries/请勿～草地keep off the grass;no trespassing/～根本原则trample upon the fundamental principles/～人类良知trample on human conscience/～百姓ride roughshod over the common people/～草地tread on the grass |