Archenemy : প্রধান শত্রু; শয়তান;
Related Words
arcane  arcanum  arch angel  arch enemy  arch-enemy  archaean  archangel  archangels  archenemy  See Words Also In
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Appropriate Prepositions
Abide by(মেনে চলা): We must abide by the rules of discipline.
Beg for(অনুরোধ করা): Maria begged the Superintendent for a seat in the school hostel.
Detrimental to (অপকারী): Smoking is detrimental to health.
Fond of (প্রিয়/অনুরাগী): Children are fond of sweets.
Indulge in (আসক্ত): You should not indulge in social media.
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Idioms
At every step (প্রতি পদে পদে): There are dangers at every step in our life and yet we want to live.
In full swing (পুরোদমে): The school is in full swing after the vacation.
Rank and file (সাধারণ লোক): We should pay attention to the rank and file of the country.
Round the clock (সমস্ত দিন): He is working round the clock.
Widow’s mite (দরিদ্রের ক্ষুদ্র দান): A windows mite is no less important than a large contribution of a rich man.