As sure as : ঠিক এতটা নিশ্চিত হওয়া;
Related Words
as regards  as sure as  assures  See Words Also In
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Appropriate Prepositions
Abide with(সঙ্গে থাকা): If you would like to rest for a while, you can abide with me.
Associate with, in(জড়িত হওয়া): This man was associated with crime.
Indebted to (ঋণী থাকা): We are indebted to the great leaders of the country for their service.
Indispensable to (অত্যাবশ্যকীয়): Your help is indispensable to him.
Remedy for (প্রতিকার): There is no remedy for cancer.
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Idioms
At home (comfortable— আরাম) He feels at home in Dhaka now.
Red letter day (স্মরণীয় দিন): The 16th December is a red letter day for us.
Square meal (পেট ভরা আহার): He is too poor to have a square meal everyday.
Turn over a new leaf (begin a new phase of life, নবজীবন শুরু করা) —After his failure he turned over a new leaf.
Up-to-date (আধুনিক) - Now-a-days ladies are very up to date.