Futilitarian : নিরর্থক বা নিষ্ফল প্রয়াসে ব্যস্ত;
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Appropriate Prepositions
Assure of(আশ্বাস দেওয়া): I can assure you of the Principal’s honesty.
Care for(গ্রাহ্য করা): I do not care for you.
Creep up (বৃদ্ধি পাওয়া): The prices of are creeping up day by day.
Cure of, for(রোগমুক্ত হওয়া): This man was cured of This drug is a cure for typhoid.
Informed of (অবহিত): I was not informed of your misfortune.
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Idioms
At the latest (খুব বেশি দেরী হলে) He will arrive here at 5 p. m. at the latest.
Bad blood - (শত্রুতা): There has always been bad blood between these families.
Call to mind (স্মরণ করা): I cannot call to mind your cell number.
In one’s teens (তের থেকে উনিশ বছর বয়সের মাঝে): She is yet in her teens.
Take one to task (rebuke, তিরস্কার করা)— He took me to task for negligence of duty.