Useful : প্রয়োজনীয় ; দরকারী;
Related Words
useable  useful  usefully  usefulness  See Words Also In
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Appropriate Prepositions
Ascend from (উপরে ওঠা): Rahim watched the mist ascending from the valley.
Contribution to (অবদান): His invention made a major contribution to road safety.
Descend on (আক্রমণ করা): Armed thieves descended on the helpless girl.
Detrimental to (অপকারী): Smoking is detrimental to health.
Smile on/upon (অনুগ্রহ করা): Fortune smiles on/upon the brave.
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Idioms
Crocodile tears (মায়াকান্না): He shed crocodile tears at our misery.
Fall flat (ফলপ্রসূ না হওয়া): This business is going to fall flat.
Ins and out (খুঁটিনাটি): I know ins and outs of this file.
Put up with (সহ্য করা - tolerate): I could not put up with his behavior.
White color job – (উচ্চ শ্রেনীর চাকরি, যেখানে শারীরিক কাজ নেই বললেই চলে- a job without manual labour) - He wants a white color job.