You were careless in your action.

It was careless of you to lose the key.

It was careless of you to leave your bag.

It was careless of her to leave the door unlocked when she went out.

Everybody blames me for my careless mistake.

It transpired that fire was caused by a careless smoker.

The car crashed because the driver was careless.

It was careless of her to go out alone.

Mike said that he was very careless.

Bill was careless in handling his pistol.

It is careless of me to take the wrong bus.

It was careless of you to miss the bus.

It was careless of her to leave her umbrella in the bus.

He may be clever, but he often makes careless mistakes.

Tom was so careless as to leave his camera in the bus.

It is very careless of you to leave the door open.

How careless he was to pinch his fingers in the door!

It was careless of me to forget to lock the door.

It was careless of you to leave the door unlocked.

It was careless of him to go to bed with the TV on.

It is likely that he has made such a careless mistake.

Only one careless mistake cost the company millions of dollars.

It was careless of you to leave your camera in the taxi.

It was careless of you to leave your umbrella in the taxi.

Don't repeat such a careless mistake.

Don't make such careless mistakes.

How careless you are to forget such an important thing!

It was careless of me to do something like that.

We shall never agree on such a careless plan.

It was careless of him to make such a mistake.

It is careless of you to say such things.

It was very careless of her to do such a thing.

It was careless of her to forget it.

The accident shows that he is careless about driving.

The accident was due to careless driving.

The accident was due to his careless driving.

John is careless. He makes many mistakes.

John is very careless about his clothes.

Mr Johnson was concerned about the amount of money that was being lost because of careless management.

A jet airliner does not admit of careless handling.

You can't afford to be careless in this experiment.

Ken's careless driving has caused his mother great anxiety.

It was careless of me to leave the gas on.

It was careless of you to forget your homework.

I made a careless mistake.

They got the sack for being careless and tardy.

You must answer for your careless conduct.

It was careless of me to forget to answer your letter.

He was rather careless to say the least.

It was careless of me to leave my umbrella in the train.

I admit to being careless.

We are all apt to be careless at times.

It seems to me that he is too careless.

It was careless of you to lose my car key.

It was very careless of me.

I do not want him to be careless.

Sometimes she was careless enough to lose her way.

It was careless of you to leave the key in the car.

It was careless of you to leave the key in your car.

When you lack sleep, you are apt to be careless.

The beginning of the trouble was his careless remark.

It was careless of you to lose the important documents.

If you weren't careless, your word processor wouldn't break down.

You were careless to leave your umbrella on the train.

He made a careless mistake, as is often the case with him.

It is careless of you tell him the truth.

There were two careless mistakes on his paper.

His careless driving caused the accident.

He was careless enough to get on the wrong train.

He was careless in handling his pistol.

He is careless about money.

He is not so careless as to take the wrong train.

He is careless and untidy in his work.

He blamed his son for being careless.

He is clever, but on the other hand he often makes careless mistakes.

He is such a careless boy that he makes mistakes very often.

He is such a careless boy that he often makes mistakes.

He makes careless mistakes, and does so frequently.

He was so careless as to leave the door open.

He was careless as to leave the door open.

He was so careless as to take the wrong train.

He is careless about his clothes.

He cautioned me against being careless of my health.

He is careless in everything.

It is careless of her to make such a mistake.

She lost her job because of her careless remark.

She was careless with money, so now she's in trouble financially.

She was careless enough to leave her bag in the bus.

Careless as she was, she could never pass an examination.

Confused by her careless mistake, she burst into tears.

She has spoiled her work by being careless.

She was punished for careless driving.

She is careless about dress.

Careless driving causes accidents.

A careless man often makes mistakes.

A careless person is apt to make mistakes.

In brief, he was careless.

She is careless about the way she dresses.

My mother told me to do a careless job of it.

Keeping Mario in a state in which he can throw fireballs is a delicate process; that newfound power sometimes makes one cocky and careless.

Tatoeba: Where nothing ruins a passionate night of sentence-making like a poorly placed comma or, even worse, a careless typo.