Definition
Used to express that someone would not recognize something even if it were extremely obvious.
有眼無睛
He wouldn't know a good opportunity if he fell over one.
即使機會擺在眼前，他也認不出來。
I swear, she wouldn't know the truth if she fell over it.
我發誓，就算真相擺在她面前，她也認不出來。
He is so clueless about fashion, he wouldn't know the most stylish item if he fell over it.
他對時尚一無所知，即使最時尚的物品擺在眼前，他也認不出來。