
He really put his foot in his mouth when he mentioned the party to her. She hadn't been invited. 他跟她提起那次聚會的事可真使她難堪,因為她沒有收到邀請.
put your foot in your mouth:(無意中)冒犯某人,闖禍
I really put my foot in my mouth with Ella─I didn't know she'd split up with Tom. 我真的冒犯了埃拉---我不知道她和湯姆分手了.