Roundness : বর্তুলতা; গোল আকৃতি; গোল আকার; গোলকত্ব;
Related Words
randomness  rounding  roundness  See Words Also In
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Appropriate Prepositions
Apologize to (ক্ষমা প্রার্থনা করা, দুঃখসহ ত্রুটি স্বীকার করা): The student apologized to the Principal for adopting unfair means in the examination.
Ask about (কাউকে খোঁজ করা): Rahim asked about Karim.
Devoid of (বিহীন/বর্জিত): He is devoid of common sense.
Dressed in (সজ্জিত, পরিহিত): The girl was dressed in silk.
Genius for (দক্ষতা): Nazrul had a genius for convincing girls.
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Idioms
At last (in the end – অবশেষে) He tried hard, and at last, succeeded in achieving his goal.
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
Read between the lines (understand the significance, অন্তনিহিত অর্থ বুঝা) Try to read between the lines of the letter.
See to (বিবেচনা করা)— Can you see to it that everyone gets a copy of this memo?
Up-to-date (আধুনিক) - Now-a-days ladies are very up to date.