Be all and end all : একমাত্র লক্ষ্য বা পরিণতি;
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Appropriate Prepositions
Attest to(প্রত্যয়ন করা): I like to attest to your ability.
Dwell in (বাস করা): He dwells in a tall apartment.
Regard for (সম্মান): Good boys have great regard for their teachers.
Run into (জড়িয়ে পড়া): He had run into debt.
Smile on/upon (অনুগ্রহ করা): Fortune smiles on/upon the brave.
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Idioms
Let loose (বল্গাহীনভাবে ছেড়ে দেয়া): He let his horse loose in the field.
Out of sorts (সামান্য অসুস্থ): The baby is out of sorts after playing.
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.
Round the clock (সমস্ত দিন): He is working round the clock.
Seventh heaven – (মহাখুশী) – I was in the seventh heaven when I heard the news of my BCS final result.