Unmerciful : নির্মম; ক্ষমাহীন; অত্যধিক; নিষ্ঠুর; অকরুণ; নির্দয়; দয়াহীন;
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Appropriate Prepositions
Antipathy to/towards (ঘৃনা): I have a strong antipathy to smoking.
Bark at(ঘেউ ঘেউ করা): The dog is barking at the strange woman.
Concern with (জড়িত থাকা): Asif is not concerned with this conspiracy.
Count for(গণ্য বা বিবেচিত হওয়া): There can be no lasting peace without true democracy in which the people play a part and count for something.
Run on (বিরতিহীন চলা): The bus is running on time.
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Idioms
Bad blood - (শত্রুতা): There has always been bad blood between these families.
Burning question - (গুরুত্বপূর্ন বিষয়): Poverty problem is a burning question of our country.
Cock and bull story (আষাঢ়ে গল্প): You must be ashamed of your cock and bull story.
Put the cart before the horse (to reverse the natural order of things-কোনো জিনিসের স্বাভাবিক ক্রমকে পাল্টে দেয়া) - The leader put the cart before the horse.
Seventh heaven – (মহাখুশী) – I was in the seventh heaven when I heard the news of my BCS final result.