Doubting the existence of the world around him he realised that the only thing he could be sure of was that he was thinking .
他一直怀疑周围存在着的这个世界，他发现他唯一能确信的就是自己在思考。
Interestingly people 's responses tend to be conservative : they are less sure of their conclusion than the evidence justifies .
有趣的是，人们的反应偏向于保守：他们对自己得出的结论的确信程度没有这些证据实际的证明力度大。
But neither can mr cuomo be sure of winning .
但是，cuomo先生也不确定其会赢得官司。
But three things he was sure of .
但是有三点他可以肯定。
I 'm sure of finishing the work .
我有把握完成这项工作。
A large fiscal deficit means the defence ministry cannot even be sure of stemming years of budget cuts .
由于日本财政赤字庞大，日本防卫省甚至无法确定能否阻止未来几年的预算遭到削减。
The lasting marriage is never sure of the separate selves that make it up . But it has complete confidence that the relation ship will grow in a never-ending process of learning .