Supererogation : প্রয়োজনাধিক করা;
Related Words
supererogation  superstition  superstitions  See Words Also In
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Appropriate Prepositions
Due to (কারণে): His absence is due to illness.
Guilty of (অপরাধী/দোষী): The convict was guilty of murder.
Match for (প্রতিদ্বন্দ্বী): He is no match for me.
Refer to (সিদ্ধান্তের জন্য প্রেরণ করা): The matter was referred to the Chairman for a decision.
Stare at (চাওয়া বা তাকানো): He stares at me.
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Idioms
At dead of night (গভীর রাতে) The police caught the thief at dead of night.
Fish in a troubled water (এলোমেলো অবস্থার সুযোগ নেয়া): He made a lot of money by fishing in a troubled water.
Gain Ground (সুবিধা পাওয়া): The wise are said to gain the ground in the long run.
To the utmost (যথাসাধ্য) - I tried to the utmost of my ability to have a job.
Widow’s mite (দরিদ্রের ক্ষুদ্র দান): A windows mite is no less important than a large contribution of a rich man.