管くだの穴あなから天てんを覗のぞく

expression

have a narrow view of things; see the world through a straw

Idiomatic expression meaning to have a very limited perspective, like looking at the sky through a small hole in a pipe. Often used critically to describe someone who fails to see the bigger picture.

• 彼かれの意い見けんは管くだの穴あなから天てんを覗のぞくようなものだ。

  His opinion is like looking at the sky through a hole in a pipe—very narrow.

• 管くだの穴あなから天てんを覗のぞくような考かんがえ方かたでは、国こく際さい問もん題だいは理り解かいできない。

  With a narrow view like looking at the sky through a pipe, you can't understand international issues.