n.欢喜；高兴；兴高采烈
Sasha's on court passion borders on hilarity. 萨沙在比赛场上展现出来的激情可以用狂欢来形容。
Wine gives not light hilarity, but noisy merriment 酒不给人以轻松的欢乐，而给人以嚣嚷的狂欢。
The announcement was greeted with much hilarity and mirth. 这一项宣布引起了热烈的欢呼声。
