costume party

She wore an antique gown to the costume party.

她在化装舞会上穿着一件过时的长袍.

——《简明英汉词典》

Why did they get into a fight before the costume party?

而在参加化妆舞会之前,他们又为什麽吵架?

——期刊摘选

I will probably go to a Halloween costume party.

我也雪|去万圣节化妆舞会.

——期刊摘选

Angel, a Chinese girl, meets her American classmate, Dave, at a costume party.

中国女孩安杰尔在化装舞会上遇见了她的美国同学戴夫.

——期刊摘选