1. No more excuses!

别再找借口了！

2. Don't say another word, please.

求你别再说了。

3. Just drop it.

不要再说了。

4. Cut it out.

省省吧，住嘴！

5. Are you finished?

你说完了吗？（有木有感受到一种分分钟想要砍死对方的气场？）

6. I've heard enough of your excuses.

我不想听任何解释。

7. I wasn't born yesterday.

我又不是不懂/我又不是三岁小孩。