今天下午两点就开始了，你一定要记得回来啊。

It starts at two in the afternoon today, so remember to come back early.

youdao

你一定要记得你是在写信给约翰格利尔之家的董事才好。

You must remember that you are writing to a Trustee of the John Grier Home.

youdao

因为我要事先买票，你一定要记得在八月10日前和我确定你会准时到达啰。

Because I will have to purchase all the tickets beforehand, it's important for you to confirm with me you are coming before August 10.

youdao

Whenever you hear the term ionization energy, make sure you keep in mind that unless we say otherwise, we're talking about that first ionization energy.

但无论什么时候你听到电离能这个词，一定要记得，除非特别说明，我们都是在说第一电离能。

麻省理工公开课 - 化学原理课程节选

Anyway, you have to be careful with your motorcycle and always wear your helmet.

不管怎么说，你都要小心骑摩托车，记得一定要带着头盔。

I didn't 实战 - SpeakingMax英语口语达人