7. It's not nice of you to behave like that.

你那样做太不像话了。

还可说成：

How inappropriate that you are doing like that!

What a shitty way to behave like that!

应用解析：

nice and + adj.宜人地;nice work if you can get it.因某人幸运或聪明而 得以做成某事。

8.I never know what to say in such situations.

面对这种情况真让人无语。

还可说成：

I feel silent for this condition.

I have nothing to say for this state of affairs.

谚语：

Learn to say before you sing.

凡事要按部就班。

9.Stop joking!

别开玩笑。

还可说成：

Quit your kidding!

Stop putting us on.

应用解析：

be but a joke 只不过是个玩笑;完全是句空话;play a joke on somebody 开某人的玩笑;practical joke 恶作剧;take a joke 经得起被人开玩笑

10. Take it back!

收回你说的话!

Withdraw your remarks immediately.

Retract your words.

应用解析：

take hold of something 抓住某物;take somebody by surprise 冷不防地出现;take one's chance 碰运气;be taken aback 大吃一惊，惊的目瞪口呆;be taken with 对……很喜欢，被……迷住

11.I'm not easily footed.

我不是那么好骗的。

还可说成：

You can't trick me without difficult.

You can't cheat me easily.

谚语：

A fool may give a wise man counsel.

愚者千虑必有一得。

12. Don't interfere in my business, please.

请别干涉我的私事。

还可说成：

Mind your own business, but not mine.

It is my own business, don't intervene in it.

应用解析：

interfere in 干涉，干预;interfere with 妨碍，乱动，干涉，侮辱