Hypersonic : শব্দাপেক্ষা পাঁচগুণ গতিবেগসম্পন্ন;
Related Words
hyper conscious  hyperconscious  hypersensitive  hypersonic  See Words Also In
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Appropriate Prepositions
Astonished at(বিস্ময়-বিহবল হওয়া): We were astonished at his unexpected success.
Consolidate for (শক্তিশালী করা): The four new companies consolidated for greater efficiency.
Entrust to (কাউকে কোনো কিছু বিশ্বাস করে দেওয়া): He entrusted the thing to me.
Faith in (বিশ্বাস): I have no faith in him.
Qualified for (যোগ্য প্রতিপন্ন হওয়া): No candidate was properly qualified for the post.
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Idioms
Back and forth (to and fro-এদিক ওদিক – adv.) The mad man was walking back and forth in the doctor’s chamber.
In cold blood (ঠান্ডা মাথায়): They committed this murder in cold blood.
Let loose (বল্গাহীনভাবে ছেড়ে দেয়া): He let his horse loose in the field.
Out of date (সেকেলে): This fashion is out of date.
With might and main (যথা শক্তি দিয়ে) —He tried with might and main to help me.