The old man is as blind as a bat.

勤劳和耐心是一个人成功的根基。

I'm as blind as a bat without my glasses.

没戴眼镜的我就像蝙蝠那样盲目乱窜。

Without my glasses, I am as blind as a bat.

没有眼镜，我什么都看不见。（非。

He is as blind as a bat without his glasses.

他不戴眼镜时跟蝙蝠一样盲眼，看不清任何东西。

Albert is as blind as a bat without his glasses.

艾伯特不戴眼镜，就跟瞎子一样。