如果我知道今天要交练习题，我昨天就会把它们做完了。

If I had known the exercises should be handed in today, I'd have finished them yesterday.

youdao

因为我知道今天要有美好的事情发生啊！

I just know that something wonderful is going to happen today!

youdao

我知道今天的新闻报道承载着特别重要的意义，因为它不同于我们以往所谈论的公司——它是通用汽车公司。

I recognize that today's news carries a particular importance because it's not just any company we're talking about — it's GM.

youdao

And Steve Furlanetto--I don't know if Steve is here or not.

还有史蒂夫·弗拉内多,我不知道他今天在不在

耶鲁公开课 - 基础物理课程节选

I know that you enjoyed the show and we hope that you come again next week.

我知道大家都很喜欢今天的演奏，希望下周你们继续收听。

That's all实战 - SpeakingMax英语口语达人

I don't know if it's possible to finish this by the end of today.

我不知道我们能不能在今天之内把这件事做完。

I don't know 课堂 - SpeakingMax英语口语达人