Today is a rainy day and the floor is slippery so please be careful.

今天外面在下雨，地面很滑走路时请多加小心。

youdao

I know a few people who might be prepared to talk to you, but please be careful.

我知道有几个人准备好了和你谈话，但一定要小心。

youdao

Please be more careful next time.

下次要多加小心。

youdao

But how carefully you estimate will determine in part how good your ultimate records are so please try to be as careful as you can, and then pick the closest option if you can't find the exact food that you're eating at that time.

你估计的仔细程度,在某种程度上,也会决定最终结果的准确性,所以请尽可能谨慎,如果找不到完全对应的食物,请选择和你当时所吃食物最接近的选项

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"Please be careful about my soldiers, " the interpreter said.

NPR: Training the Trainers at Fort Riley

Please be careful, Suzanne implored.

NEWYORKER: Tenth of December

Please be careful while boarding!

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