an attempt to stop people finding out the true facts about a situation

This is a politically correct whitewashing of the region's troubles. 这是对该地区的问题进行政治正确的粉饰。

the practice of using only white actors, models, or performers, especially the practice of using a white actor to play a character who is not white

Her casting to play a Native American character led to accusations of whitewashing. 她被选来扮演一个美国原住民，引发了对用白人演员扮演非白人角色的谴责。

a severe defeat, especially one in which the defeated player or team does not score any points

The team has shown encouraging signs of progress since their Six Nations whitewashing. 自从在六国锦标赛中吃了个大鸭蛋以后，这支球队出现了令人鼓舞的进步表现。

the action of painting walls or buildings using whitewash (= a white liquid)

The vandals should pay for whitewashing of the walls. 破坏公物的人应该支付粉刷墙壁的费用。