恥はじをさらす

expression, godan verb (-su)

disgrace oneself; make a fool of oneself

Used when someone's actions or situation cause them to lose face or appear shameful in front of others.

• 彼かれは会かい議ぎで大おおきなミスをして、恥はじをさらした。

  He made a big mistake at the meeting and disgraced himself.

• そんなことを言いうと、恥はじをさらすだけだよ。

  If you say something like that, you'll just make a fool of yourself.