1.表述：( as ) blind as a bat

释义 1：Unable to see at all. （瞎了，完全看不见）

例句：After neglecting his vision for years, my grandfather became blind as a bat, unable to even see shadows.

多年来，我的祖父忽视了他的视力。他瞎了，甚至连影子都看不见。

He lost his sight in an accident and is as blind as a bat.

他在一次事故中失去了视力，现在完全瞎了。

释义2：Having poor vision. （近视眼，视力差）

例句：I've worn glasses for 20 years, so I'm as blind as a bat now.

我戴眼镜已经20年了，所以现在我的视力很差。

Without my glasses, I'm blind as a bat.

我不戴眼镜就什么都看不见了。

释义3： Unwilling to recognize problems or bad things.（不想去承认问题或者坏的事情）

例句：Connie is blind as a bat when it comes to her daughter's disgraceful behavior.

Connie对她女儿的可耻行为视而不见。

Are you blind as a bat? Those two have been flirting all afternoon!

你瞎了吗？他们俩整个下午都在调情！

2.表述：have bats in the belfry

释义：To be crazy; to act, think, or behave in a foolish or nonsensical manner. （举止异常，行为古怪）

例句：Tommy must have bats in the belfry if he thinks he can convince our mother to let him get a tattoo for his birthday.

如果Tommy认为他能说服我们的母亲让他在生日那天纹个纹身，那他一定是疯了。

There's an old lady who stands on the corner yelling at strangers all day. I think she might have bats in the belfry.

有一个老太太整天站在角落里对着陌生人大喊大叫，我想她可能精神失常了。

The poor man must have bats in the belfry as he wears such peculiar clothes.

这个可怜的人准有点疯，因为他穿这么古怪的衣服。