Let of steam : উত্তেজিত অবস্থা থেকে খানিকটা শান্ত হওয়া;
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Appropriate Prepositions
Astonished at(বিস্ময়-বিহবল হওয়া): We were astonished at his unexpected success.
Capable of(সক্ষম): He is capable of doing it.
Conform to (নিয়মনীতি অনুসরণ করা): The employees have to conform to a strict dress code.
Shout at (চিৎকার করে ডাকা): Do not shout at your parents.
Smile on/upon (অনুগ্রহ করা): Fortune smiles on/upon the brave.
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Idioms
Call in question (সন্দেহ করা): No one can call his honesty in question.
Dead against (তীব্র বিরোধী - strongly opposed to): I am dead against corruption.
Easy and free (অমায়িক): The boy is easy and free, so he has many friends.
Gain Ground (সুবিধা পাওয়া): The wise are said to gain the ground in the long run.
Pack up a quarrel (ঝগড়া মিটানো)— He packed up their quarrel.