as blind as a bat
成語所屬單字bat
as blind as a bat — 慣用語
1. Having very poor eyesight, unable to see things clearly.
1.慣用語
釋義
視力很差的；近乎全盲的
Having very poor eyesight, unable to see things clearly.
例句
Without my glasses I am as blind as a bat, so I always carry a spare pair in my bag.
Grandpa is as blind as a bat without his reading glasses, but he refuses to admit it.