A ball or festive gathering where masks are worn.

化妆舞会；假面具舞会。

An acting or living under false pretenses.

假拖；假装。

A disguise.

伪装。

To take part in a ball where the persons present are disguised.

参加化妆舞会。

To take the part or character of another for amusement or deceit.

乔装；伪装；冒充。