It's difficult but you must try not to lose your confidence.

这很难，但你必须试着不要失去信心。

youdao

You can get it if you really want, but you must try, try, and try.

你可以成功，如果你想成功，但是你必须努力、努力、再努力。

youdao

Heidi, you must not believe what Peter tells you, but try for yourself.

海蒂，你不能相信彼得告诉你的，但你可以自己试试。

youdao

But if you must use bullets, try to keep them to three per slide.

FORBES: Presentation Cleanse