是时候戳穿他的老底了。

It is time to call his bluff.

他说保罗把另一封信，送到了老底嘉教会。

He's saying that there's another letter sent by Paul to the Laodicean church.

我的大声喧哗无疑掩盖住了我要叙述的东西。有朝一日，我会露馅的，人家会戳穿我的老底。

The loudness of my voice, I doubt not, often drowns the thing I would say; and some day or other Time will find me out.