1·I have no particular reason for doubting him.
我没有什么特别的理由怀疑他。
—— 《牛津词典》
2·What am I? For Descartes, I am a thinking, doubting agency; and obviously, therefore, I am a mind.
我是什么？对于笛卡尔，我是一种思想，一个怀疑的机构；很明显的，因此我只是一个想法。
3·Most of those voters now fretting about their prospects, and doubting Mr Brown, will ultimately keep their jobs and their homes, and perhaps even gain from falling prices and interest rates.
现在为前途焦虑并怀疑布朗先生的大多数选民最终将保留住他们的工作和住房，而且甚至可能从下跌的物价和利率中获益。
4·Brazil was nice to Iran, without anyone doubting its Western credentials.
巴西对伊朗友好而没有人怀疑其“西方”资格。
5·Now could I do it, pat, and show the doubting world, and Clarke, and Blair, What Gordon Brown is made of.
现在我轻轻拍一下，展示给怀疑的世界，卡拉克和布莱尔，戈登·布朗是天生的。