Once and for all : মাত্র একবার;
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Appropriate Prepositions
Assure of(আশ্বাস দেওয়া): I can assure you of the Principal’s honesty.
Averse to (বিমুখ): Rahim was averse of your various problems.
Conscious of(সচেতন): I am conscious of my deficiencies.
Fantasize about (কল্পনা করা): They fantasized about winning the lottery.
Indispensable to (অত্যাবশ্যকীয়): Your help is indispensable to him.
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Idioms
Fair play (প্রতারণা বিহীন নীতি বা কাজ): I believe in the practice of fair play in my business.
In full swing (পুরোদমে): The school is in full swing after the vacation.
Man of straw (অপদার্থ): We do not care for a man of straw like you.
Steer clear of (avoid, দূরে থাকা)— You must steer clear of evil company.
Under age (অপ্রাপ্ত বয়স্ক)- He could not cast his vote because he was under age.