10.to make a clean breast of it or to make a clean breast of sth如实招供；和盘托出；完全供认；彻底坦白
He decided to make a clean breast of what had happened and risk being punished.他决定冒着被惩罚的危险如实坦白发生的一切。
In theory, having made a clean breast of it, Sam should have felt purer and lighter of heart.理论上说, 萨姆供认之后应该会从内心中感到更加纯净和轻松。