wyjawić tajemnicę in inglese:

If you want them to know about your plans tell Magda about it. She'll spill the beans.

On Monday, I'm going to spill the beans about my travel plans.

The team has sacked their manager, but neither side will spill the beans about what happened.

I won`t be the one to spill the beans.

So who spilled the beans about her affair with David?; We’ll all be there at 6 for the surprise party – now don’t spill the beans!