leichtsinnig 英語で:

The loss resulting from careless work is very serious.

The car crashed because the driver was careless.

a careless driver

Only one careless mistake cost the company millions of dollars.

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

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

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.

Confused by her careless mistake, she burst into tears.

We shall never agree on such a careless plan.

not taking or ​showing enough ​care and ​attention: My son's ​teacher says that his ​work is often ​rather careless.

Don't be so careless about/with spelling. / a careless driver / She gave a careless shrug.

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

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

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

The reckless men froze to death during their expedition to the Antarctic.

The teenage driver was very reckless and ended up having a terrible accident.

Tom pleaded not guilty to charges of drunken driving and reckless driving.

reckless driving

Reckless driving will lead to an accident.

How do you get a fast, but reckless programmer to slow down?

We tried to restrain him from his reckless action.

The reckless girl climbed the tree regardless of danger.

His reckless driving brought about his death.

devil-may-care - reckless and careless

But a reckless rage had come over Harry

That was a very reckless thing to do. Do you realise you put your own life in danger?

It was a little reckless, but you know, I was 16.

good intent, reckless implementation

Jesse is lighthearted, reckless, and devil-may-care.

I think he sees her as a frivolous young woman

The politician's frivolous (thoughtless) behaviour was criticised and his popularity fell out.

frivolous ribbons and lacy frills / the frivolous, fun-loving flappers of the twenties

Definition: lacking in seriousness or importance Antonym: serious, sober Sentence: Kim Kardashian’s frivolous marriage annoyed me because I don’t think either of them were ever serious about their relationship.