Search Terms: 打ち明ける*, うちあける*
He revealed the secret to her when nobody was by
He made a clean breast of his troubles to her
She was burning to tell the secret
She told her troubles to him
She unburdened her heart to her friends
Make a clean breast of your secrets
Anyway, I'm glad you were able to broach this difficult subject
You had better make a clean breast of everything
We were all ears when he started to tell us his secret
I should have told you everything earlier
She revealed her secret to us
She was reluctant to reveal her secret
I confided my troubles to him
He is too shy to bare his heart to her
How can you break the news to her