即使感到紧张，也要尝试自信地行动。

Try to act ___confidently, even if you feel nervous.

我是一个相当勤奋的人，我可以自信地说我是一个相当可靠的人。

I am quite a hard worker and I can ___confidently say that I am quite a reliable person.

她在演讲期间自信地发言。

She spoke ___confidently during the presentation.