通つうを気き取どる

expression, godan verb (-ru)

pretend to be an expert; act like a know-it-all

Used when someone puts on airs of being knowledgeable or sophisticated, often in a specific field. The phrase implies a slightly affected or pretentious attitude.

See also: 知ったかぶり

• 彼かれはワインに詳くわしいふりをして、通つうを気き取どっている。

  He pretends to know a lot about wine, acting like a connoisseur.

• 通つうを気き取どって難むずかしい言こと葉ばを使つかうけど、実じつはあまり理り解かいしていない。

  He uses difficult words to act like an expert, but he doesn't really understand much.