রক্ষণাবেক্ষণ : [বিশেষ্য পদ] দেখাশোনা, সযত্নে রক্ষাকরণ।
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রক্ষণাবেক্ষণ  See Words Also In
1.Google-Translator 2.Wikipedia 3.Wiktionary.org
Appropriate Prepositions
Agree with, on, to(একমত হওয়া): My father agreed with me on this point, but he did not agree to my proposal to set up a canteen.
Conscious of(সচেতন): I am conscious of my deficiencies.
Deaf to, of, in (না শোনা, বধির হওয়া): The boy is deaf to his father’s advice. This man is deaf of/in one ear.
Free from (মুক্ত): He is now free from danger.
Qualified for (যোগ্য প্রতিপন্ন হওয়া): No candidate was properly qualified for the post.
Browse All Appropriate Prepositions
Idioms
Backstairs influence (secret and illegal influence- গোপন এবং বে আইনী প্রভাব-n) He did not deseve the job, however, he got it by backstairs influence.
Now and then (মাঝে মাঝে): He comes here now and then.
Out of temper (ক্রুদ্ধ): The teacher is out temper to see the overall results.
Up-to-date (আধুনিক) - Now-a-days ladies are very up to date.
Well-to-do (সঙ্গতিপূর্ণ) - He was not born in a well-to-do family.