Invalidating : বাতিল করা; অসিদ্ধ করা; ব্যর্থ করা;
Related Words
inflating  invalidating  See Words Also In
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Appropriate Prepositions
Arrange for(ব্যবস্থা করা): We have arranged everything for our study tour.
Call for(চাওয়া): I will call for his explanation.
Delegate to (প্রতিনিধি): Nazrul welcomed the delegates to the new conference.
Guilty of (অপরাধী/দোষী): The convict was guilty of murder.
Indulge in (আসক্ত): You should not indulge in social media.
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Idioms
Hard nut to crack (কঠিন সমস্যা): The problem of adult education is really hard nut to crack.
Kith and kin (নিকট আত্মীয়): He has no relation with his kith and kin.
Turn over a new leaf (begin a new phase of life, নবজীবন শুরু করা) —After his failure he turned over a new leaf.
Weal and woe (সুখ-দুঃখ): Human life is full of weal and woe.
Well off (স্বচ্ছল) - Jim and Della were not well off.