make a clean breast of
坦白承認，公開透露
正式·表達坦白或承認錯誤
英文釋義
to confess or make a full and honest disclosure
例句
He finally made a clean breast of his mistake and felt much better afterward.
典故來源
源自舊時‘breast’指內(nèi)心或良心，意為徹底坦白以求得心安。