Soundproof : শব্দরোধী;
Related Words
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Appropriate Prepositions
Alarm at, by, for(আশংকা করা/শঙ্কিত হওয়া): I was not alarmed at/by the news, but I was alarmed for their safety.
Conform to (নিয়মনীতি অনুসরণ করা): The employees have to conform to a strict dress code.
Contemporary of (সমসাময়িক): William Wordsworth was a contemporary for greater efficiency.
Effect of (প্রভাব): The effect of corruption is very harmful for our society.
Inquire for (দেখা করতে চাওয়া): He inquires for the manager.
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Idioms
At liberty (free-মুক্ত-adj.) They are at liberty to go anywhere.
As a rule (নিয়ম অনুসারে.) As a rule, she kept silent in the meeting.
Backstairs influence (secret and illegal influence- গোপন এবং বে আইনী প্রভাব-n) He did not deseve the job, however, he got it by backstairs influence.
Dead language (যে ভাষা এখন আর কথ্য নয়): Sanskrit is a rich language, but it is now a dead language.
Man of letters (পন্ডিত ব্যক্তি): You are truly a man of letters.