fancy dress

Many of the dancers at the fancy dress ball wore colourful masks.

化装舞会上许多跳舞者戴着五颜六色。

Dress at the party was informal,with no neckties or fancy dresses.

会上人们服装很随意,打领带,也没穿高档西服。

On the spur of the moment, they decided to hold a fancy dress party.

他们一时兴起, 决定开一个化装舞会。

It doesn't take long for freshers to adopt the Oxford way of life — working and playing hard, and feeling equally comfortable in black tie, subfusc (formal academic dress) or fancy dress.

大学需要很长时间就能适应牛津活方式----努力学习，尽情娱乐，同样舒适黑色领带，暗色系（正式学位服）或者奇装异服。