1. No.

2. Nope.

3. No thanks, I won’t be able to make it.

4. Not this time.

5. No thanks, I have another commitment.

6. Unfortunately, it’s not a good time.

7. Sadly I have something else.

8. Unfortunately not.

9. I have something else.

10. Sorry.

11. Apologies, but I can’t make it.

12. Maybe another time.

13. Sounds great, but I can’t commit.

14. I’m booked into something else.

15. I’m not able to make that time.

16. Thanks, but no thanks.

(这句话可能听起来会挺有礼貌，但是实际上是当一个人有一点不耐烦或者生气的时候用的。比如在商场，销售员总向你推销商品，这时候你就可以用这句话，那么他们就知道你不需要他了。)

17. I’m not able to make it this week/ month/ year.

18. I’ve got too much on my plate right now.

19. I’m not talking on anything else right now.

20. Bandwidth is low, so I won’t be able to make it work.

21. I wish I could make it work.

22. Not possible.

23. I wish I were able to.

24. If only I could!

25. I’d love to – but can’t.

26. I’m slammed.

27. Perhaps next season when things clear up.

28. I’m at the end of my rope right now, so I’ll have to take a rain check.

(take a rain check 表示“延期约会”“改天再约”)

29. If only it worked.

30. I’ll need to bow out.

31. I’m going to have to exert my NO muscle on this one.

32. I’m talking some time.

33. Thanks for thinking of me, but I can’t.

34. Nah.

(Neh/Nah 用于比较熟悉的人之间，一般是家人，或关系很亲近的人，比较口语化的拒绝。)

35. No way.

36. Darn! Not able to fit it in.

37. Rats! Would’ve loved to.

38. I’m a season of NO.

39. I’m not the girl for you on this one.

40. I’m learning to limit my commitments.