Go for it! Just do it!

加油!向前冲!做了再说!

Better late than never.

只要开始，虽晚不迟。

Don't give up and don't give in.

不要放弃，不要言败!

One today is worth two tomorrows.

一个今天胜似两个明天。

A bold attempt is half success.

大胆的尝试就是成功的一半。

Energy and persistence conquer all things.

能量和坚持可以征服一切事情。

You can’t have a better tomorrow if you don’t stop thinking about yesterday.

如果你无法忘掉昨天，就不会有一个更好的明天。

Never say die.

永不言败!

这些励志的说说可以激励你在值日时保持积极的态度和动力，努力完成各项任务。希望这些建议对你有所帮助!