Pure and simple : খাঁটি; বিশুদ্ধ;
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Appropriate Prepositions
Consolidate for (শক্তিশালী করা): The four new companies consolidated for greater efficiency.
Cure of, for(রোগমুক্ত হওয়া): This man was cured of This drug is a cure for typhoid.
Curse for (অভিশাপ দেয়া): If he ever mistreats my parents, I will certainly curse him for it.
Fond of (প্রিয়/অনুরাগী): Children are fond of sweets.
Play at (খেলা): I do not play at cards.
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Idioms
Bear in mind (remember— মনে রাখা —V): You should also bear in mind the additional costs of the mortgage.
Moot point (অমীমাংসিত বিষয়): Dowry system is still a moot point in Bangladesh.
Swan-song (অন্তিম গীত, শেষ কর্ম): This writing is the swan song of Kazi Nazrul islam.
To the point (সঠিক) - The boy answered the question to the point.
Widow’s mite (দরিদ্রের ক্ষুদ্র দান): A windows mite is no less important than a large contribution of a rich man.