Luminosity : ঔজ্জ্বল্য; উজ্জ্বলতা; দীপ্তি; প্রভা; আপেক্ষিক উজ্জ্বলতা;
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Appropriate Prepositions
Close to(নিকটে): Our College is close to the Post Office.
Die from (কোন কিছু জন্য মারা যাওয়া): The poor person died from hunger.
Enter into (আলোচনা করতে আরম্ভ করা): Let’s not enter into details at this stage.
Refer to (সিদ্ধান্তের জন্য প্রেরণ করা): The matter was referred to the Chairman for a decision.
Sanguine of (নিশ্চিত বা আশান্বিত): Be sanguine of your success.
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Idioms
All at once - (হঠাৎ): I feel terribly sleepy all at once.
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
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.
With a view to (উদ্দেশ্য)- He goes to college with a view to attending the class.