Usefulness : প্রয়োজনীয়তা; কার্যকারিতা;
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Appropriate Prepositions
Absent from(অনুপস্থিত থাকা): I was absent from the class yesterday.
Absorbed in(মগ্ন): I am absorbed in my study.
Attacked by(আক্রান্ত ব্যক্তিবাচক): He has been attacked by a gang of robbers.
Charge with(অভিযুক্ত করা): He is charged with killing.
Inferior to (নীচু/হীন): He is inferior to his neighbor.
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Idioms
Dead language (যে ভাষা এখন আর কথ্য নয়): Sanskrit is a rich language, but it is now a dead language.
Easy and free (অমায়িক): The boy is easy and free, so he has many friends.
Head and ears (সম্পূর্ণরূপে): He is over head and ears in debt.
Pick one’s pocket (পকেট মারা)— He tried to pick my pocket.
Sheet anchor (শেষ আশ্রয়; প্রধান অবলম্বন; আসল খুঁটি)— This small piece of land is his sheet anchor.