1. I don't know what's what.

2. She certainly knows what's what.

3. You're old enough now to know what's what.

4. You have to know what's what and when to draw the line.

5. She's been working here long enough to know what's what.

6. What's what in the psychic world?

7. He tells his mates what's what, and they laugh when he does.

7. Wish you can benefit from our online sentence dictionary and make progress day by day!

8. I keep my ears open and I know what's what around the office.

9. So let's start by taking a look at what's what in floorcoverings.

10. I don't know what's what in this new office.

11. I'll tell you the moment I know what's what.

12. You've old and pigheaded. You don't know what's what.

13. I can't find it. I don't know what's what in this new office.

14. I guess I'm your auntie and I know what's what.

15. I just want to know what's what and who's who.

16. So I know what's what, because I've seen the other side.

17. Linda's been in the business for thirty years - she knows what's what.

18. You should come across the river with us. Then you will really see what's what.

19. I like to think our academic standard's gone up, and we know what's what in the world.

20. I am a fly on the face of the Almighty, crawling over the surface to see what's what.

21. Rochester did the wrong thing, because he is new here and doesn't yet know what's what.

22. Richard did the wrong thing, because he is new here and doesn't yet know what's what.

23. When it comes to pedagogical psychology, the young scholar knows what's what.

24. So, in the times that are coining , it will be easy for you to discern who's who and what's what as you travel outside the third-dimensional realm.

25. At first you are awkward, sometimes calm, sometimes not. You don't really know what's what.

26. The right way to learn math is breadth-first, not depth-first. You need to survey the space, learn the names of things, figure out what's what.

1. I don't know what's what.