你不要再说了，我不会再听你的辩解。

Nǐ bú yào zài shuō le, wǒ bú huì zài tīng nǐ de biànjiě.

Stop talking—I won't listen to your excuses anymore.

做错了就要承认，你不要再为他辩解了。

Zuò cuò le jiù yào chéngrèn, nǐ bú yào zài wèi tā biànjiě le.

If you did something wrong, you should admit it—stop making excuses for him.

这次我们有充分的证据，看他还能有什么辩解。

Zhè cì wǒmen yǒu chōngfèn de zhèngjù, kàn tā hái néng yǒu shénme biànjiě.

This time we have solid evidence—let's see what excuses he can still come up with.