我在这儿什么人都不认识，但我确信一旦站住脚就会应付过来。

I don't know anyone here but I am sure I will manage when I find my feet.

《柯林斯英汉双解大词典》

参与其中的人们认为它是一场噩梦，但我确信它会有满意的结果。

People involved in it think it's a nightmare, but I'm sure it will work itself out.

《柯林斯英汉双解大词典》

我们都是虫子，但我确信我是一只萤火虫。

We are all worms, but I do believe I'm a glowworm.

youdao

I'm sure they sold it in various forms, but one of the most popular was for this purpose.

我确信他们出售各种用途的橄榄油,但最普遍的还是作为清洁工具

耶鲁公开课 - 古希腊历史简介课程节选

But in the United States, I would say, most definitely, my favorite city, my favorite place I've ever been.

但我十分确信，在美国，在我去过的城市和地方中，我最喜欢纽约。

纽约的人们 - SpeakingMax英语口语达人

It's perfectly inscrutable as far as I'm concerned. But I think I can say with absolute certainty that one of its possible significances cannot be that the unprofitable servant should have waited to make his investment.

这对我来说很神秘，但我可以说,我很确信,它可能的含义之一,不会是让那个无益的仆人去等。

耶鲁公开课 - 弥尔顿课程节选