monocle
n. 单片眼镜
A monocle is a glass lens which people wore in former times in front of one of their eyes to improve their ability to see with that eye.
1. lens for correcting defective vision in one eye; held in place by facial muscles
A cynic is a man who looks at the world with a monocle in mind's eye.
好挖苦人的人,是在心目中戴上单片眼镜儿看世事的人.
The old lady could not read clearly without her monocle.
这位婆婆若不戴上她的单片眼镜,便无法阅读。