Translation of "Guarantee" in Chinese

I guarantee it.

我保证这一点。

- I can't guarantee that that's going to happen.
- I can't guarantee that's going to happen.
- I can guarantee that that'll happen.

我不能确保这一切会发生。

I guarantee the success of the show.

我保证演出成功。

We guarantee our products for one year.

我們保證我們的產品一年。

Relying on strength alone cannot guarantee victory.

单凭力量不能保证取胜。

I guarantee that this information is correct.

我保證這些資料是無誤的。

They guarantee this clock for a year.

他們保證這個時鐘可用一年。

They guarantee this clock can be used for a year.

他們保證這個時鐘可用一年。