1. Do you believe him? 你相信他的话吗?
2. Do you believe it? 你相信吗?
3. I think it's hard to believe. 我觉得这很难相信。
4. It's too good to be true. 哪有这等好事?
5. I don't buy your story. 我才不信你的鬼话呢。
6. Believe it or not. 信不信由你。
7. Really? 真的吗?来源:www.examda.com
8. Are you kidding me? 你在逗我呢吧?
9. You must be joking. 你一定是在开玩笑。
10. Are you joking? 你开玩笑吧?
11. Are you serious? 你是认真的吗?
12. I doubt it. 我怀疑。
13. I am doubtful about that 我对此表示怀疑。
14. Don't expect me to believe this. 别指望我相信这事。
15. It can't be ture. 不可能是真的。
16. How is that possible? 那怎么可能呢?
17. He is a doubting Thomas. 他是个疑心很重的人。
18. I never take him too seriously. 我从来不把他的话当真。
19. I feel puzzled. 我感到很茫然。
20. It's doubtful whether this will work. 我怀疑这会不会起作用。