Welcome to English in a Minute.
Tunnel Vision 井蛙之见，一孔之见
Anna: Dan, I heard that you're supporting that awful local official who's involved in two... no, wait three, scandals?!
Dan: Well, that awful local official fixed the sidewalk outside my house. So, yeah, I support him.
Anna: Dan, that is some serious tunnel vision, dude.
As an idiom, tunnel vision means to have a very narrow viewpoint. People with tunnel vision are extremely focused on one thing or part of one thing. They ignore everything else that may be just as important.
And that's English in a Minute!
