We are what we pretend to be, so we must be careful what we pretend to be.

You must be careful not to make him angry.

You had better be careful not to overeat.

You cannot be too careful when driving.

I advise you to be careful in making notes for the lecture.

You should be more careful.

You should have been more careful with your health.

You ought to have been more careful.

You should have been more careful.

Be more careful. Rushing through things is going to ruin your work.

She'll get the better of you if you aren't careful.

If you're not careful, you might slip and fall on the icy steps.

If you're not careful you'll miss a traffic sign!

I was very careful, but I caught a cold.

Each of us has to be careful when driving.

You must be careful when swimming in the sea.

We should always be careful of what we do.

Science is based on very careful observations.

Science is based on careful observation.

It was obvious that the driver had not been careful enough.

You cannot be too careful when you drive.

The more you drink, the less careful you will be.

The doctor's careful examination of the patient brought about his speedy recovery.

The doctor's careful treatment of the patient brought about her quick recovery.

The doctor's careful treatment of the patient brought about her recovery.

After some careful thought, I elected to stay at home.

If you want to lose weight, you'll have to be careful about what you eat.

You must learn to be more careful.

A careful reader would have noticed the mistake.

I've told you again and again to be more careful.

Be more careful, or you will make mistakes.

How I wish I had been more careful!

If you had been more careful, you would not have met with an accident.

If he had been careful then, the terrible accident would not have happened.

I would be more careful if I were you.

If she's not careful she'll tear a ligament doing that.

You should be a thought more careful.

Be careful handling matches!

A successful business is built on careful financial management.

The driver told us to be careful when we got off the bus.

When the bartender totals the bill for a customer who is drunk and angry, he must be very careful to mind his P's and Q's.

You must be careful when crossing a busy street.

It is true that Mochida did his best, but he wasn't careful enough.

You should be careful with a knife.

You cannot be too careful of your health.

One must be careful in doing anything.

Above all, be careful about what you eat and drink.

We have given careful thought to both alternatives.

Please be careful of your health.

Please be careful not to let the dog loose.

You cannot be too careful about spelling.

That requires careful consideration.

The article deserves careful study.

That proposal may be a way to kill two birds with one stone, but we also have to be careful not to get greedy and spoil everything.

You cannot be too careful when you do the job.

You must be careful with the wine glass.

In copying this paper, be careful not to leave out any words.

You can't be too careful when doing this experiment.

These are the important items to which careful attention is to be paid.

Kate took careful notes on the history lecture.

We must be careful to drink only pure water.

Please be careful not to trip over the carpet.

You should be careful of your money.

Yes. We should be very careful.

You cannot be too careful in crossing a street.

The most careful man sometimes makes mistakes.

You have to make a careful choice of books.

You must be more careful to avoid making a gross mistake.

You must be more careful in driving a car.

You cannot be too careful when you drive a car.

You should have been more careful in money matters.

You should be more careful at a crosswalk.

You need to be more careful.

You are far from a careful driver.

You should be more careful with your money.

After what you have said, I shall be careful.

Please be careful not to forget to lock the door when you go out.

I wouldn't push him too far. You don't know what he might do. I'd say you can't be too careful. They say even a doomed mouse will bite a cat if he has no choice.

You cannot be too careful in choosing friends.

You cannot be too careful about your health.

It is impossible for you to be too careful of your health.

Careful of his health, he seldom falls ill.

You should be careful about your health.

Not being careful of his health, he fell ill.

Smart shopping requires careful planning.

We can not be too careful in operating a nuclear power plant.

She was careful not to leave the door unlocked.

You should be careful what you say.

He told me to be careful in speech.

You should always be careful in your speech.

You should be careful in crossing the busy street.

Be more careful in your actions.

You can't be too careful driving on the expressway.

In future, be more careful with your money.

You must be careful from now on.

We have to be careful with expenses.

You cannot be careful in the mountains.

You cannot be too careful when you choose your job.

When I'm home and I'm going to the corner drugstore to pick up some shampoo, why do you always tell me to be careful how I cross the street?

We should be more careful to recycle more trash.

We must, first of all, be careful of our health.