make a clean breast of

US /meɪk ə kliːn brest əv/
UK /meɪk ə kliːn brest əv/
"make a clean breast of" picture
1.

すべてを打ち明ける, 洗いざらい話す

to confess fully, especially about something bad or illegal that one has done

:
He decided to make a clean breast of it and tell his parents about the broken vase.
彼はすべてを打ち明けることにし、割れた花瓶について両親に話した。
It's better to make a clean breast of your mistakes now than to let them fester.
間違いをすべて打ち明けるのは、それが悪化する前に今すぐ行う方が良い。