to talk like a book
01
堅苦しく話す, 堅い言葉で話す
to talk in a manner that is very formal or complicated
idiom
informal
例
Even though she was nervous, Emily talked like a book during her presentation, showcasing her thorough understanding of the subject matter.
彼は堅苦しく話すので、話すのが嫌いだ。



























