Perfidious : বিশ্বাসহীন; বিশ্বাসঘাতক; অবিশ্বাসী; অবিশ্বস্ত;
Related Words
perfidious  perfidiousness  propitious  See Words Also In
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Appropriate Prepositions
Affection for(স্নেহ): She has a great affection for the child.
Attend on/upon (সেবা করা): We should attend on/upon the ailing patient.
Delegate to (প্রতিনিধি): Nazrul welcomed the delegates to the new conference.
Depend on (নির্ভর করা): Presently, the students depend on/upon guide books.
With a view to (উদ্দেশ্য): I went to hospital with a view to seeing you.
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Idioms
Swan-song (অন্তিম গীত, শেষ কর্ম): This writing is the swan song of Kazi Nazrul islam.
To and fro (hither and thither, এদিক ওদিক)-The man is walking to and fro.
Turn down (refuse, প্রত্যাখান করা) —He turned down my proposal.
Ups and downs (উত্থান পতন): There are ups and downs in a man’s life.
Weal and woe (joy and sorrow, সুখ দঃখ) —Human life is full of weal and woe.