但是我确定我可以做它。

But I was sure I could do it.

youdao

其中附有一张纸条，上面写着：“我已预先付了这张账单，我差不多可以确定，我不能赴约了，不过，我还是预付了两个餐位的费用——为你和你妻子。”

An attached note said: "I paid this bill in advance." I was almost sure that I couldn't be there, but nevertheless I paid for two plates — one for you and the other for your wife.

youdao

我不确定现在我是否可以说胜利来临。

I'm not sure I'm ready to declare victory yet.

youdao

Well, I can, for any given case, measure the pressure, determine the entropy and I'll know what the slope of change will be.

好的，对特定的情况，我可以测量压强，确定熵,并且知道这就是变化的速率。

麻省理工公开课 - 热力学与动力学课程节选

I definitely say, try to see a Broadway show when you're in New York City.

我可以很确定地说，你在纽约的话，就要去看一场百老汇表演。

纽约的音乐厅 - SpeakingMax英语口语达人

You can see that by doing this transaction I have locked in a return between 1926 and 1927.

你们可以发现,通过以上交易,我确定了26到27年间的回报

耶鲁公开课 - 金融市场课程节选