Why do you have confidence putting it in contact with one of the most important organs of your body?

为什么你对它有信心,让它接触,你身上最重要的器官

耶鲁公开课 - 生物医学工程探索课程节选

You will be more confident.

你会变得更加有信心。

Make sure 课堂 - SpeakingMax英语口语达人

You're confident you can reply to all of these?

你似乎很有信心能回应这些问题？

耶鲁公开课 - 公正课程节选

Because when you're saying "I'm about to," you're saying "I have confidence about what's going to happen next."

因为当你说“I'm about to”的时候，你在表示“我有充分的信心接下来会发生什么。”

I'm about to 课堂 - SpeakingMax英语口语达人