Know how : কৌশল;
Related Words
know  know how  know-how  knowhow  known  See Words Also In
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Appropriate Prepositions
Abhorrence of (ঘৃণা): Everyone should have abhorrence of a par.
Afraid of(ভীত): An honest man is not afraid of telling the truth.
Descend on (আক্রমণ করা): Armed thieves descended on the helpless girl.
Fed up with (বিরক্ত): He is fed up with waiting for her.
Hostile to (বিরোধী বা বিরূপ ভাবাপন্ন): Nobody is hostile to you.
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Idioms
At ease (in peace or pleasure – শান্তিতে বা আরামে) A man who has enemies can not live at ease.
Bare word (শুধু মুখের কথা, স্বাক্ষী প্রমানহীন কথা-n) He believed your bare word and now he has been played false with.
Easy and free (অমায়িক): The boy is easy and free, so he has many friends.
Pass sth/sb off as sth/sb (মিথ্যা পরিচয় দেয়া; Pretend – ভান করা): They were trying to pass off these shirts as genuine Armani.
Riding for a fall (বেপরোয়াভাবে কাজ করা- to act recklessly): He rides for a fall in the election.