Zero hour : পূর্ব-পরিকল্পিত আক্রমণ ইত্যাদির মূহূর্ত;
Related Words
zero  zero hour  zerohour  See Words Also In
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Appropriate Prepositions
Abound in(প্রাচুর্যপূর্ণ হওয়া): Fish abounds in the pond.
Caution against(সাবধান): Take all cautions against the danger.
Conscious of(সচেতন): I am conscious of my deficiencies.
Inquire for (দেখা করতে চাওয়া): He inquires for the manager.
Regard for (সম্মান): Good boys have great regard for their teachers.
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Idioms
All along - (সব সময়): I was present in the meeting all along.
At home (proficient in — দক্ষ) The students of Bangladesh should be at home in Bangla.
Get rid of (মুক্তি পাওয়া): Try to get rid of the rogue.
Man of straw (অপদার্থ): We do not care for a man of straw like you.
Under age (অপ্রাপ্ত বয়স্ক)- He could not cast his vote because he was under age.