Lack of knowledge : অজ্ঞান;
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Appropriate Prepositions
Absorbed in(মগ্ন): I am absorbed in my study.
Akin to(সমজাতীয়): These are akin to one another.
Convinced of (আশ্বস্ত): You are convinced of his product.
Innocent of (নির্দোষ): The maid servant was proved innocent of the alleged theft.
Run into (জড়িয়ে পড়া): He had run into debt.
Browse All Appropriate Prepositions
Idioms
Be all and end all (the ultimate out come- চরম পরিণতি—n) A loss of one million taka was the be all and end all of the projects.
Fight shy of (এড়িয়ে যাওয়া): Honest boys always fight shy of bad and dishonest friends.
Slow coach (অলস): You cannot expect much from a slow coach.
Without fail (অবশ্যই) - You must attend the meeting without fail.
With might and main (যথা শক্তি দিয়ে) —He tried with might and main to help me.