be careful with something

But he's got to be more careful with me than him.

Now he no longer needs to be careful with his questions.

And in those early days he was careful with money.

As you must be careful with your friends from California.

Be careful with him for a while, if you can.

He is very careful with his body and works out every single day.

You should be more careful with your life and health.

Even the children were still and careful with their food.

I have to be careful with a few of them getting too much sun, though.

I got to remember to be careful with the fire.