Invalidating : বাতিল করা; অসিদ্ধ করা; ব্যর্থ করা;
Related Words
inflating  invalidating  See Words Also In
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Appropriate Prepositions
Acquit of (অব্যাহতি দেয়া): The chief justice acquitted him of the charge of murder.
Bar to(বাধা): Poverty is not a bar to happiness.
Care of(যত্ন নেওয়া): You should take care of your health.
Cause of(কারণ): Industry is the cause of your success.
Descend on (আক্রমণ করা): Armed thieves descended on the helpless girl.
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Idioms
Birds of a feather (persons of like disposition-একই পর্যায়ের লোক) Bird’s of a feather flock together.
End in smoke (ব্যর্থ হওয়া): All his plans ended in smoke.
Learn by heart (মুখস্থ করা)— He learnt the poem by heart.
Man of letters (পন্ডিত ব্যক্তি): You are truly a man of letters.
Three score (ষাট): He is happy as his brother got three score.