Unhesitatingly : দ্বিধাহীনভাবে; অকুণ্ঠচিত্তে; নি:সঙ্কোচভাবে; অসঙ্কোচে;
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Appropriate Prepositions
Akin to(সমজাতীয়): These are akin to one another.
Appoint to(নিযুক্ত করা/হওয়া): Kibria has been appointed to the post of Headmaster.
Complain about (কোনো বিষয়ে নালিশ করা): They complained about the mismanagement of the programme.
Cruise to (জয় লাভ করা): The Bangladesh team cruised to their fifth successive win this afternoon.
Run on (বিরতিহীন চলা): The bus is running on time.
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Idioms
At ease (in peace or pleasure – শান্তিতে বা আরামে) A man who has enemies can not live at ease.
Dead of night (মধ্যরাত্রি): The robbers broke into the house at dead of night.
Head and ears (সম্পূর্ণরূপে): He is over head and ears in debt.
Liable to mislead (প্রতারণাপূর্ণ- deceptive): Appearances can often be liable to mislead.
Put the cart before the horse (to reverse the natural order of things-কোনো জিনিসের স্বাভাবিক ক্রমকে পাল্টে দেয়া) - The leader put the cart before the horse.