Dì / yī / cì / shàng / tái / jǐn / zhāng / shì / rén / zhī / cháng / qíng， / bú / bì / tài / zài / yì。

第一次上台紧张是人之常情，不必太在意。

It is perfectly natural to feel nervous the first time you go on stage, so do not worry too much.