Arch-enemy : শত্রুপ্রবর; বৈরীপ্রধান; ঘোর শত্রু;
Related Words
arcane  arch enemy  arch-enemy  archaean  archangel  archenemy  See Words Also In
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Appropriate Prepositions
Absent from(অনুপস্থিত থাকা): I was absent from the class yesterday.
Attacked by(আক্রান্ত ব্যক্তিবাচক): He has been attacked by a gang of robbers.
Bark at(ঘেউ ঘেউ করা): The dog is barking at the strange woman.
Consist of(গঠিত হওয়া): The committee consists of ten members.
Contemporary of (সমসাময়িক): William Wordsworth was a contemporary for greater efficiency.
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Idioms
At home (comfortable— আরাম) He feels at home in Dhaka now.
Right and left (এলোপাথাড়ি - indiscriminately): He planted trees right and left.
Silver tongue (মিষ্টভাষী)- He is a man of silver tongue.
Set out (যাত্রা করা)— I will set out in time.
Weal and woe (joy and sorrow, সুখ দঃখ) —Human life is full of weal and woe.