Anytime you present false information and then you let the truth slip out, you have blown your cover.

任何时候提供虚假信息，之后中说出真相，就泄底（blow your cover）。

I explain this that you may not say anything imprudent by accident.

我下， 可能不会中说出任何轻率的话。

I shall say nothing about it; I mean, as you uttered the name unintentionally.' There was a pause in the dialogue.

我什么也不想说;我是说，因为中说出这个名字。对话中停顿下。