Perfidious : বিশ্বাসহীন; বিশ্বাসঘাতক; অবিশ্বাসী; অবিশ্বস্ত;
Related Words
perfidious  perfidiousness  propitious  See Words Also In
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Appropriate Prepositions
Agree with, on, to(একমত হওয়া): My father agreed with me on this point, but he did not agree to my proposal to set up a canteen.
Concern with (জড়িত থাকা): Asif is not concerned with this conspiracy.
Consistent with(সামঞ্জস্যপূর্ণ): Your action is not consistent with your word.
Play at (খেলা): I do not play at cards.
Render into (অনুবাদ করা): Render the passage into Bengap.
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Idioms
At ease (in peace or pleasure – শান্তিতে বা আরামে) A man who has enemies can not live at ease.
Bring to light (disclose-প্রকাশ করা) The police brought the secret to light.
Carry the day (জয়লাভ করা) The boys carried the day in the debate competition.
Of course (অবশ্যই): Of course, you know what that meant.
Put up with (সহ্য করা - tolerate): I could not put up with his behavior.