Drive carefully and be sure not to have an accident.

你开车要小心，千万别闯祸。

《新英汉大辞典》

Before your receive my notice, be sure not to contact us.

在未接到通知以前，切勿跟我们联系。

youdao

When you begin to modify your application, be sure not to make too many changes in each step.

修改应用程序时不要一次性进行大量更改。

youdao

But be sure not to burn the skin.

VOA: special.2009.08.11

I'm not at all sure there's anything more to be said about that passage, which I think lays it to rest.

我不确定这篇文章是不是,还要更多的讲解，就这样的吧。

耶鲁公开课 - 文学理论导论课程节选

You just got to be looking around all the time to make sure you are not going to be run down.

你随时观察四周以确保你不会被撞倒。

伦敦的蓝色自行车 - SpeakingMax英语口语达人

That is what the ruling says, but be sure not to make that statement in isolation.

FORBES: S Corporation Rental Income Not Passive Except When It Is

Be sure not to stay in saunas too long, as this can cause dehydration and heat stroke.

FORBES: The Benefits of Adding an In-Home Sauna

Just be sure not to invite me - I'm not one for the audible sound of a heart breaking.

FORBES: Magazine Article