She wore glasses and a wig as a disguise.

她用眼镜和假发伪装起来。

《牛津词典》

He's wearing a wig—you can see it a mile off.

他戴着假发，你一眼就能看出来。

《牛津词典》

I couldn't help noticing (that) she was wearing a wig.

我一眼就看出她戴着假发。

《牛津词典》

It was false hair, called a wig.

VOA: special.2009.07.19

But anyway, the confederate that they hired was a woman who was naturally attractive in most people's view but they made her look either more attractive or less attractive by giving her kind of frumpy clothes, bad make-up, and a frizzy wig.

不管怎么说，他们请的这个助手,在大多数人眼中亭亭玉立,他们可以把她包装得更漂亮,或打扮成丑女无敌,让她穿些邋遢的衣服，失败的妆容还带上卷曲的假发。

耶鲁公开课 - 心理学导论课程节选

The size of a man's wig depended on how important he was.

VOA: special.2009.11.29

It tells the story of a wigmaker who tries to design a wig for Beethoven.

NPR: The Joy and Pain in Beethoven's Big Fugue

The Birmingham News reported that a witness saw a man wearing a wig fleeing the area after the explosion.

CNN: Search continues for witness in clinic bombing

CNN.com: Can the system be outsmarted, say with a wig or false beard?

CNN: Facing up to airport security fears