Luminosity : ঔজ্জ্বল্য; উজ্জ্বলতা; দীপ্তি; প্রভা; আপেক্ষিক উজ্জ্বলতা;
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Appropriate Prepositions
Assure of(আশ্বাস দেওয়া): I can assure you of the Principal’s honesty.
Deal in, with, out (ব্যবসা করা, ব্যবহার করা, বন্টন করা): The man deals in rice. He does not know how to deal with a customer. The Chairman dealt out the relief materials to the flood affected people.
Depend on (নির্ভর করা): Presently, the students depend on/upon guide books.
Fit for (যোগ্য): Sabina is not yet fit for marriage.
Infested with (অতিষ্ঠ): The room is infested with rats.
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Idioms
Cut a sorry figure (খারাপ ফল করা): He cuts a sorry figure in the examination.
Gift of the gab (বাকপটুতা): An advocate should have the gift of the gab.
Kith and kin (নিকট আত্মীয়): He has no relation with his kith and kin.
Speed money (ঘুষ; উৎকোচ): He hankers after speed money.
Weal and woe (সুখ-দুঃখ): Human life is full of weal and woe.