Perfidious : বিশ্বাসহীন; বিশ্বাসঘাতক; অবিশ্বাসী; অবিশ্বস্ত;
Related Words
perfidious  perfidiousness  propitious  See Words Also In
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Appropriate Prepositions
Appointment with (সাক্ষাতের সময়): He has an appointment with the minister at 10:00 am.
Devote to (উৎসর্গ করা/নিয়োজিত করা): Students should devote sufficient time to their studies.
Die of (রোগে মরা): Many people died of cholera.
Dwell upon (আলোচনা করা): They dwell long upon the matter.
Enter into (কোনো কিছুতে আবদ্ধ হওয়া): pma entered into a new agreement.
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Idioms
All in - (পরিশ্রান্ত): I was all in after the meeting.
Get rid of (মুক্তি পাওয়া): Try to get rid of the rogue.
Look into something (তদন্ত করা- investigate) - The manager looked into the matter.
Lump sum (এক কালীন) — He gave us lump sum money.
Wild goose chase (useless pursuit, পন্ডশ্রম) —Do not waste time in wild goose chase.