一いっ本ぽんやり

noun, noun, used as a suffix

sticking to one thing; single-mindedly; never deviating from

Idiomatic expression used after a noun to describe someone or something that is relentlessly focused on a single method, principle, or objective. Often carries a nuance of inflexibility or narrowness.

• 彼かれは金かねもうけ一いっ本ぽんやりだ。

  He is single-mindedly focused on making money.

• あの会かい社しゃは品ひん質しつ一いっ本ぽんやりでやってきた。

  That company has stuck to quality above all else.

noun

one's sole talent; one's only forte

Refers to a person's single strong point or only skill. Often used self-deprecatingly or to describe someone with a narrow but deep ability.

• 料りょう理りが彼かれの一いっ本ぽんやりだ。

  Cooking is his one and only forte.

• 私わたしの一いっ本ぽんやりは早はや起おきだけです。

  My only talent is waking up early.