我认为是时候摊牌了，我们应该开诚布公地讨论这个问题。

I think it's time to put our ___cards on the table and discuss this issue honestly.

在谈判开始前，双方同意进行一次开诚布公的讨论。

Before the negotiation started, both sides agreed to have a ___cards-on-the-table discussion.