No doubt about it. I guarantee it.

不用怀疑，我向你保证。

youdao

It sounds easy, but I guarantee it won't be.

这听起来容易，但我可以保证做起来就不容易了。

youdao

I guarantee it.

我保证会。

youdao

Hopefully within two years, probably not next year, but within two years, there will be positive psychology class offered, but I certainly cannot guarantee it.

但愿两年内，明年可能性不大，但是两年内，学校会再次开设积极心理学课程，但我无法保证。

哈佛公开课 - 幸福课课程节选

It will help you to produce a lot of writing; I guarantee.

我保证这肯定能帮你们写出很多东西。

耶鲁公开课 - 1945年后的美国小说课程节选

We would have to see if we can arrange that. Again, I don't guarantee that it will happen because the reality is, someone who is involved in as many things as he is-- it's going to be something.

我会再去安排一下,但我不保证他一定会来,他有太多的安排,有可能会有突发情况

耶鲁公开课 - 金融市场课程节选

The banks will not get this country in trouble, I guarantee it.

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Not only is this company going to earn you crazy money, I guarantee it, it will also give you the opportunity to get on the ground floor of something big!

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Not only am I fairly certain of this, I'd guarantee it (and I'm not in the habit of guaranteeing many things).

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