1. 小事一桩

That's a piece of cake.
That's as easy as pie!
I can do it with my eyes closed.
2. 请你客气点

Who do you think you're talking to?
Don't get fresh with me (get fresh with 大多用于母亲对孩子的斥责之时)

3. 等着瞧

you'll see.
Time will tell.

4. 多管闲事

(It is) None of your business.
Mind your won business.
Who asked you?
This has nothing to do with you

5. 别狗眼看人低

Do I look like a fool?
Who do you think I am?
What kind of a fool do you take me for?

6. 不要告诉别人

Don't tell anybody (about it)
This is just between you and me
This doesn't leave this room
This is for your ears only

7. 当然

you bet
you know it
you betcha

8. 你在开玩笑

you are kidding(joking)
you have got to be kidding(joking)
Are you kidding(joking)

9. 没错,就是这样

you got that right
you wit the rail on the head

10. 世界真小

It is a small world
Small world!
You never know whom you will bump into

11. 既然如此，你自己来吧

Do it yourself ,then

12. 这才像话

That is more like it

13. 太过分了

That is going too far

14. 我老早就告诉过你了

See I told you(so)

15. 那又怎样？

So what?

16. 就指望你了

I'm counting on you
You're my only hope

17. 想想办法吧！（别老是坐在那里）

Do something (about it).
Don't just sit there.

18.别装傻了

Stop playing the food
Don't act stupid

19.你有何不满？

Any complaints?
Do you have anything to say?

20. 船到桥头自然直

Thing will work out
It will work out
Everything will be fine

21. (小辫子)被抓到了

you caught me

22. 我早就知道了

I'm fully(well) aware of that
You don't have to tell me
I wasn't born yesterday

23. 我认输了

Beats me
You got me
You got that right
I can't hack this
(hack 是完成任务的俗语)

24. 你到底要说什么？

Don't beat around the bush
Get to the point
What are you try to say?

25.你以为你是谁？

who do you think you are?