他是个非常自信的年轻人。

He's a very ___self-confident young man.

所以当那天到来时，她感觉比以前自信和坚定得多。

So when the day came, she felt much more ___self-confident and determined than before.

一个自信的演讲者能轻松吸引听众。

A ___self-confident speaker can engage the audience easily.