She whipped the mask off her face.

她刷地一下子把脸上的面具摘掉了。

《牛津词典》

Get that mask off.

把那个面具摘掉。

youdao

The problem is that when someone sneezes they tend to take a mask off.

问题是有人打喷嚏时往往会摘下口罩。

youdao

He took off his mask and called loudly, "Beatrice! Come help me!"

VOA: special.2009.05.23

I actually want to change that around, if I might, and play with that, because that's a really useful image for us: "takes the mask off literature and reminds us how we come to be sympathetic or Richard Wright how we come to think something." Think back to Richard Wright, who wants words to disappear, to be completely transparent and to leave you just with your response.

实际上，我想要改变一点，可能的话，玩弄一下，因为那对我们是很有用的画面：,把文学的面具卸下,我们是如何同情,或思考事物的，回想一下，他希望文字消失，而变成透明的，只剩下你们的回应。

耶鲁公开课 - 1945年后的美国小说课程节选

And then Santo gains the upper hand, and he pulls the mask off of his opponent.

NPR: The Masked Men of Mexican Movies

After a few minutes, the woman who was in the ambulance took the mask off and she said that he had passed away.

BBC: Transcripts: The guerrilla's story

She chose to take the mask off and take her chances.

BBC: Stepping Hill saline inquiry: Further death probed