The dinner was often a riotous affair enlivened by superbly witty speeches.宴会常常会因为一些非常诙谐的讲话而气氛活跃，热闹非凡。He has been sent down for riotous behaviour.他因为行为放纵而被开除了.He was expelled from college for riotous conduct.他因行为放荡而被勒令退学...
He was expelled from college for riotous conduct.他因行为放荡而被勒令退学....a riotous collection of gaudy and glamorous dresses.各种各样花哨而华丽的服装...aristocrats who wasted their inheritances in riotous living.在放纵的生活中将遗产挥霍一空的贵族...a riotou...