1.What on earth is the matter here?

到底发生了什么事?

还可说成：

What happened here?

What is wrong here?

应用解析：

bring somebody back to earth 使某人从幻想中清醒过来;burn the earth 奔驰，全速前进;come back to earth 不再幻想;like nothing on earth 非常罕见的;糟糕透了

2.You ought to be ashamed of what you've done to me.

你应该为自己对我所做的事情感到羞愧。

还可说成：

You are covered with shame for the thing you've done to me.

What you've done to me should leave you feeling rather abashed.

应用解析：

be ashamed of 以……为耻;feel ashamed for somebody 替某人感到羞愧;be ashamed to do something 以干某事为耻。

3.Can't you be serious for once?

你就不能严肃一次?

还可说成：

You ought to be earnest.

You should assume responsibility for being solemn.

应用解析：

serious 常用的意思有：严肃的，庄重的，认真的，真诚的，重大的，严重的，危险的。例如：Is he serious about travelling on foot?他真的要去徒步旅行吗?

4.You are all talk and no action

你只会夸夸其谈

还可说成：

You are only saying without doing.

You only indulge in talk rather than action.

应用解析：

in action 在运转，在操作;out of action 不能再运转，失去效用;a piece of the action (尤指为获得利益而)参与某事

5.You have no right to help yourself.

你无权插手。

还可说成：

You have no warrant for your action.

You have absolutely no right to do that.

应用解析：

be in the right 站在正义与真理的一边;claim one's right 要求行使自己的权利;do somebody right 公平对待某人;Miss Right 理想中的未来妻子;Mr. Right 理想中的未来丈夫

6.I'm not pleased by your negligence at all.

我对你们的疏忽大意很不满意。

还可说成：

I'm not a bit satisfied with your carelessness.

Your oversight makes me feel disappointed.

应用解析：

negligence 的同义词有：carelessness, neglectfulness