胸きょう襟きんを開ひらく

expression, godan verb (-ku)

be frank; speak one's mind; have a heart-to-heart talk

Idiomatic expression meaning to open up emotionally and speak honestly, often in a serious or personal conversation.

See also: 打ち明ける (うちあける)

• 彼かれと胸きょう襟きんを開ひらいて話はなしたら、誤ご解かいが解とけた。

  When I had a heart-to-heart talk with him, the misunderstanding was cleared up.

• 上じょう司しに胸きょう襟きんを開ひらいて相そう談だんしてみてはどうですか。

  Why don't you try opening up to your boss and talking it over?