Don’t be so cocksure that he will succeed.

不要那么确信他会成功。

I feel confident that we will win.

我确信我们将胜利。

I’m sure there’s a jinx on this car.

我确信这辆轿车带来厄运。

I'm sure there's a perfectly rational explanation.

我确信有完全解释。

I had an intuitive conviction that there was something unsound in him.

直觉使我确信他有问题。

I rarely flinch from a fight when I'm sure of myself.

确信自己时，我很少怕斗争。

She felt sure that their friendship would last.

她确信他们友谊会日久天长。

I'm convinced there is something fishy going on.

我确信有可疑事在发生。

Are you sure you’re physically tough enough for this job?

你确信你有足够体力胜任这份工作吗？

Are you sure it’s the real thing , not just infatuation?

你确信这是真,不是一时迷恋吗?

He was too certain of her love to be deceived by such talk.

他确信她, 不会被这种谣言所欺骗。

I bet it will rain soon!

我确信马上要下雨!

By convincing me that no good could come of staying, he persuaded me to leave.

通过让我确信留下来没有好处，说服我离开了。

Don't tell me without a doubt this dumbfound luck has all run out.

别确信无疑地告诉我那种令人目瞪口呆运气都用光了。

He was convinced of her innocence.

他确信她是无辜。

The senator is confident of reelection.

参议员确信能重新获选。

I’m sure he thinks I stole the money—he kept making innuendoes about my “new-found-wealth”.

我确信他一定以为钱是我偷,为他不断含沙射影地说我“新近发了财”。

We are certain of success.

我们确信会成功。

I’m not sure about Johnson—we’d better keep tabs on him until we know we can trust him.

我对约翰逊不太放心——我们最好先观察他一段时间，直到我们确信可以信任他。

She is convinced the company will make a big profit, but then she does tend to see things through rose-tinted spectacles.

她确信公司一定会获得丰厚利润，不过她一向都过于乐观。