Au fait : নিপুণ;
Related Words
a bit  au fait  See Words Also In
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Appropriate Prepositions
Appoint to(নিযুক্ত করা/হওয়া): Kibria has been appointed to the post of Headmaster.
Call for(চাওয়া): I will call for his explanation.
Die by (দূর্ঘটনা বা অপঘাতে মরা/কোন কিছু দ্বারা মারা যাওয়া): He died by a road accident.
Guess at (অনুমান করা): It is difficult to guess at the age of women.
Hard of (কানে খাটো বা কম শোনা): Ratan is a hard of hearing.
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Idioms
At least (in the lowest estimate- কমপক্ষে) He is the owner of thirty lakh taka at least.
In black and white – (লিখিতভাবে) – Put forward your proposal in black and white.
Salt of the earth (গুরুত্বপূর্ণ ব্যক্তিবর্গ) —The salt of the earth is remembered always.
Three score (ষাট): He is happy as his brother got three score.
Ups and downs (উত্থান পতন)- There is ups and downs in a man's life.