guise|guises

她化装成仙女的样子参加了万圣节派对。

She attended the Halloween party in the ___guise of a fairy.

舞会上每个人都穿着不同时代的服饰。

Everyone at the ball wore ___guises from different eras.

小偷以修理工的伪装进入了那栋房子。

The thief entered the house under the ___guise of a repairman.