Arch enemy : প্রধান শত্রু; শয়তান;
Related Words
arcane  arch angel  arch enemy  arch-enemy  archaean  archangel  archenemy  See Words Also In
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Appropriate Prepositions
Based on(প্রতিষ্ঠিত, ভিত্তিক): His information is not based on the correct information.
Charge with(অভিযুক্ত করা): He is charged with killing.
Drop to (নিচে নামানো): Asif dropped his voice to a whisper.
Perfect for (সঠিক, মানানসই): The new book is perfect for you.
Sick of (ক্লান্ত): He is sick of this idle life.
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Idioms
At random (indiscriminately—এলোপাথাড়ি-adv.) He talks at random like a mad man.
Fair play (প্রতারণা বিহীন নীতি বা কাজ): I believe in the practice of fair play in my business.
In one’s teens (তের থেকে উনিশ বছর বয়সের মাঝে): She is yet in her teens.
Put up with (সহ্য করা - tolerate): I could not put up with his behavior.
Turn down (refuse, প্রত্যাখান করা) —He turned down my proposal.