In proof : প্রমাণস্বরূপ;
Related Words
in brief  in proof  See Words Also In
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Appropriate Prepositions
Abound in(প্রাচুর্যপূর্ণ হওয়া): Fish abounds in the pond.
Convert to(দীক্ষিত): Tom is converted to another religion.
Devote to (উৎসর্গ করা/নিয়োজিত করা): Students should devote sufficient time to their studies.
Entitled to (অধিকারী): He is entitled to a reward for honesty.
Hunger for (আকাঙ্কা): The teacher has a great hunger for knowledge.
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Idioms
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.
In no time (শীঘ্র): He will finish the work in no time.
Out of order (বিকল): The elevator was out of order.
Right and left (এলোপাথাড়ি - indiscriminately): He planted trees right and left.
Seventh heaven – (মহাখুশী) – I was in the seventh heaven when I heard the news of my BCS final result.