1. Do you believe him? 你相信他的話(huà)嗎? 
    2. Do you believe it? 你相信嗎? 
    3. I think it's hard to believe. 我覺(jué)得這很難相信。 
    4. it's too good to be true. 哪有這等好事? 
    5. I don't buy your story. 我才不信你的鬼話(huà)呢。 
    6. Believe it or not. 信不信由你。 
    7. Really? 真的嗎? 
    8. Are you kidding me? 你在逗我呢吧? 
    9. You must be joking. 你一定是在開(kāi)玩笑。 
    10. Are you joking? 你開(kāi)玩笑吧? 
    11. Are you serious? 你是認(rèn)真的嗎? 
    12. I doubt it. 我懷疑。 
    13. I am doubtful about that 我對(duì)此表示懷疑。 
    14. Don't expect me to believe this. 別指望我相信這事。 
    15. It can't be true. 不可能是真的。 
    16. How is that possible? 那怎么可能呢? 
    17. He is a doubting Thomas. 他是個(gè)疑心很重的人。 
    18. I never take him too seriously. 我從來(lái)不把他的話(huà)當(dāng)真。 
    19. I feel puzzled. 我感到很茫然。 
    20. It's doubtful whether this will work. 我懷疑這會(huì)不會(huì)起作用。