我们确信正义的事业一定会胜利。

We firmly believe that a just cause is bound to triumph.

我确信他们讲的是真话。

I'm satisfied that they are telling the truth.

她确信那封信中有言外之意。

She felt sure the letter had some hidden meaning.

她确信自己打扮得无可挑剔后才出门去。

She went out safe in the knowledge that she looked fabulous.

她确信自己被魔鬼附了身。

She has convinced herself that she is possessed by the devil.

她确信他曾在场。

She was positive that he'd been there.

你确信这是最快捷的方法吗？

Are you sure this is the quickest way?

他确信她是可以信赖的。

He knew he could trust her.

你确信他在说谎吗？我不相信他会干这种事。

Are you sure he was lying? I can't believe that of him.

一旦我自己确信这个决定是正确的，我们便动手干了起来。

Once I had satisfied myself it was the right decision, we went ahead.

劳拉·戴维斯确信能在欧洲队中占据一席之地。

Laura Davies is assured of a place in Europe's team

他还是很确信富兰克林会坚定不移地支持改革。

He was still certain that Franklin was four-square for reform.

我确信事情最终会好起来的。

I was positive things were going to turn out fine.