Useful : প্রয়োজনীয় ; দরকারী;
Related Words
useable  useful  usefully  usefulness  See Words Also In
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Appropriate Prepositions
Bad at (অদক্ষ): He is not bad at English.
Concerned for (উদ্বিগ্ন): The parents are concerned for their growing children.
Rid of (মুক্তি দেওয়া): He will get rid of troubles soon.
Thirst for (তৃষ্ণা, আকাঙ্ক্ষা): A wise man has no thirst for wealth.
Wish for (প্রত্যাশা করা): Everybody wish for happiness.
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Idioms
Breathe one’s last (decease, die- শেষ নিঃশেষ ত্যাগ করা, মরে যাওয়া) The man breathed his last in his native village.
Bad blood - (শত্রুতা): There has always been bad blood between these families.
Head and ears (সম্পূর্ণরূপে): He is over head and ears in debt.
In black and white – (লিখিতভাবে) – Put forward your proposal in black and white.
Liable to mislead (প্রতারণাপূর্ণ- deceptive): Appearances can often be liable to mislead.