目めの上うえのたんこぶ

expression

thorn in one's side; pain in the neck; person standing in one's way

Idiomatic expression referring to someone (often a superior or more capable person) whose presence is a constant source of annoyance or obstruction, like a bump on one's forehead that one cannot ignore. Used in informal contexts.

See also: 目の上のこぶ

• 彼かれは私わたしにとって目めの上うえのたんこぶだ。

  He is a thorn in my side.

• あの先せん輩ぱいは目めの上うえのたんこぶで、何なにかと口くち出だししてくる。

  That senior colleague is a pain in the neck, always butting in.