Rah : উত্সাহ দেবার জন্য আনন্দসূচক উচ্চধ্বনি;
Related Words
rah  raw  ray  See Words Also In
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Appropriate Prepositions
Contemporary of (সমসাময়িক): William Wordsworth was a contemporary for greater efficiency.
Due to (কারণে): His absence is due to illness.
Guess at (অনুমান করা): It is difficult to guess at the age of women.
Inquire into (খতিয়ে দেখা): The police officer will inquire into the matter.
Sanguine of (নিশ্চিত বা আশান্বিত): Be sanguine of your success.
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Idioms
At a round rate (at the fixed price – নির্ধারিত মূল্যে) Things are selling in the shop at a round rate.
Pack of lies (ডাঁহা মিথ্যা)—He told pack of lies to prove himself innocent.
Short cut (সংক্ষিপ্ত পথ)— He comes by this shortcut.
Three R's (প্রাথমিক শিক্ষা)— He has not yet learnt the three R's.
To the contrary (against what some one had said, পক্ষান্তরে) —He said nothing to the contrary.