我们能够将他营销给相当多的人，对此我们很有信心。

We were able to sell him on a nice size crowd, felt confident about that.

youdao

我们很有信心，但你从来不知道。

We were confident but you never know.

youdao

我们很有信心在不久之后做出更多改进。

Hopefully we can do more on this front soon.

youdao

I'm optimistic about the audio equipment and about our slide material and things such as that.

我对我们的音响设备,和我们的投影材料等都很有信心

耶鲁公开课 - 聆听音乐课程节选