không quan trọng không trọng đại 
unimportant 
Their airforce does not have many helicopters. ☊ 
Không quân của họ không có nhiều trực thăng. ☊ Military like: không quân → →
unbekümmert ☊ thờ ơ, không quan tâm ☊ 
不操心的 ☊ bù cāoxīn de die Belanglosigkeit, die Bagatelle ☊ việc không quan trọng, việc không đáng kể ☊ ☊ unbekümmert ☊ thờ ơ, không quan tâm ☊ ☊ I'm not awfully keen on fish. ☊ awfully ☊
an air base ☊ base ☊
I'm not interested in apportioning blame for the accident (= deciding how much each person involved was responsible for it). ☊ blame ☊
My private life is none of your business (= does not concern you). ☊ business ☊
I don't care (= I will not be upset) if I never see him again! ☊ care ☊
care what/whether, etc.: I don't care what he thinks. ☊ care ☊
care that...: She doesn't seem to care that he's been married four times before. ☊ care ☊
'I don't mind,' he said carelessly. ☊ carelessly ☊
Don't interfere in what doesn't concern you. ☊ concern ☊
concerned for sth: He didn't seem in the least concerned for her safety. ☊ concerned ☊
I hate to disappoint you, but I'm just not interested. ☊ disappoint ☊
The countryside was flat, dull and uninteresting. ☊ dull ☊
'I don't mind,' she said, without much enthusiasm. ☊ enthusiasm ☊
At first I thought he was shy, but then I discovered he was just not interested in other people. ☊ at first ☊
After a time you get to realize that these things don't matter. ☊ get ☊
Alex is not interested in girls yet. ☊ girl ☊
I can't really afford it, but, what the hell (= it doesn't matter), I'll get it anyway. ☊ hell ☊
I don't mind waiting—I'm not in any particular hurry. ☊ in no hurry (to do sth), not in a/any hurry (to do sth) ☊
I pretended not to care but I was screaming inside. ☊ inside ☊
keen on doing sth: She's not keen on being told what to do. ☊ keen ☊
Do what you like—I don't care. ☊ like ☊
'What did you say?' 'Oh, it doesn't matter' (= it is not important enough to repeat).' ☊ matter ☊
'I'm afraid I forgot that book again.' 'It doesn't matter (= it is not important enough to worry about).' ☊ matter ☊
It doesn't matter to me what you do. ☊ matter ☊
I don't mind helping if you can't find anyone else. ☊ mind ☊
'Would you like tea or coffee?' 'I don't mind—either's fine.' ☊ mind ☊
He wouldn't have minded so much if she'd told him the truth. ☊ mind ☊
I neither knew nor cared what had happened to him. ☊ neither ☊
It's nonsense to say they don't care. ☊ nonsense ☊
army/airforce/naval, etc. officers ☊ officer ☊
He doesn't care what people think of him. ☊ people ☊
At this point I don't care what you decide to do. ☊ point ☊
'He's been married before.' 'That's beside the point ' (= not important). ☊ point ☊
Wealth and position (= high social status) were not important to her. ☊ position ☊
It doesn't really matter. ☊ really ☊
regard to sb/sth: He was driving without regard to speed limits. ☊ regard ☊
I'm not interested in a romantic relationship. ☊ romantic ☊
spend sth on sth: She spends too much effort on things that don't matter. ☊ spend ☊
I'm not interested in sport. ☊ sport ☊
Are you sure you don't mind? ☊ sure ☊
She took no interest in the people and things around her. ☊ thing ☊
unimportant details ☊ unimportant ☊
relatively/comparatively unimportant ☊ unimportant ☊
They dismissed the problem as unimportant. ☊ unimportant ☊
This consideration was not unimportant. ☊ unimportant ☊
I was just a young girl from a small town and I felt very unimportant. ☊ unimportant ☊
He assumed, wrongly, that she did not care. ☊ wrongly ☊