Please be careful的意思|示意

Therefore, please be careful when making your choices and do your best.

自己只有做好自己，慎重地作选择。

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。

Please be careful... this is not a game for me.

请一定认真对待，这对我来说不是游戏。

Watch your step! Please be careful!

小心脚下！ 请当心！

This dish is very hot, please be careful.

这道菜很烫，小心。

Please be careful about use of water, electricity, gas, etc.

在使用水电煤气等等时要注意安全。