let's face it idiom
C2 让我们正视事实吧!我们实话实说吧!
something that you say before you say something that is unpleasant but true
Let's face it, we both know why I stopped working there. 实话实说吧,我们都清楚我为什么不在那里工作了。
Let's face it, we're not going to win.