Unthankful : অকৃতজ্ঞ;
Related Words
unthankful unthankfulness unthinkableSee Words Also In
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Appropriate Prepositions
Authority over (কর্তৃত্ব, আধিপত্য): She has no authority over his growing daughters.
Bare of(অনাবৃত, স্বল্প-সজ্জা): The trees of the forest are bare of leaves.
Guess at (অনুমান করা): It is difficult to guess at the age of women.
Hit upon (পরিকল্পনা নেয়া): Rahim hit upon a new plan.
Short of (অপর্যাপ্ত): I am running short of money.
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Idioms
In a nutshell (সংক্ষেপে): Tell the whole story in a nutshell.
In the long run (পরিণামে): You will have to suffer in the long run.
Red tape (official formalities, অফিসের কাজ)— You would not believe the red tape involved in getting the required permits.
Set free (মুক্ত করা): The prisoners were set free.
Three score (ষাট): He is happy as his brother got three score.