Alter ego : আত্মস্বরূপ; দ্বিতীয় সত্তা; অভিন্নহৃদয় বন্ধু; দোসর; দ্বিতীয় সত্তা; অন্তরঙ্গ বা প্রাণের বন্ধু;
Related Words
alter ego  altercate  alterego  alters  See Words Also In
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Appropriate Prepositions
Authority on(বিশেষজ্ঞ পন্ডিত): Kamal was an authority on English literature.
Convict of(দোষী সাব্যস্ত হওয়া): The accused person was convicted of the murder.
Delegate to (প্রতিনিধি): Nazrul welcomed the delegates to the new conference.
Delighted at/with (আনন্দিত হওয়া): Sharmin was delighted at/with her husband’s promotion.
Guard from/against (রক্ষা করা): My parents always guard me from/against bad people.
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Idioms
At home (proficient in — দক্ষ) The students of Bangladesh should be at home in Bangla.
As a rule (নিয়ম অনুসারে.) As a rule, she kept silent in the meeting.
In vogue (চালু): This custom is not in vogue at present.
Now and then (মাঝে মাঝে): He comes here now and then.
Worthy of (যোগ্য) - He is worthy of a good job.