Usefulness : প্রয়োজনীয়তা; কার্যকারিতা;
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Appropriate Prepositions
Adapt for (উপযোগী করে নেওয়া): This book has been adapted for the children.
Care for(গ্রাহ্য করা): I do not care for you.
Devoid of (বিহীন/বর্জিত): He is devoid of common sense.
Greed for (লোভ): He has an indomitable greed for wealth.
Look over (পরীক্ষা করা): He was looking over the answer scripts.
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Idioms
Fight shy (এড়িয়ে চলা): Why do you fight shy of your teacher?
Learn by heart (মুখস্থ করা)— He learnt the poem by heart.
Stone’s throw (অতি নিকটে): Our school is at a stone’s throw from our house.
To the brim (কানায় কানায়) - The river was full to the brim.
Under age (অপ্রাপ্ত বয়স্ক)- He could not cast his vote because he was under age.