"I was reading the dictionary. I thought
it was a poem about everything."
                     --Steven Wright

Appropriate Preposition:

  • Eager about ( আগ্রহী ) He is eager about the result.
  • Useful for ( প্রয়োজনীয় (উদ্দেশ্য) ) This book is useful to us for examination.
  • Satisfied with ( সন্তুষ্ট ) I am satisfied with him or I am satisfied of the truth.
  • Trust with ( বিশ্বাস করা (জিনিস) ) You may trust me with the work.
  • Mad with ( উন্মাদ প্রায় ) He is mad with pain.
  • Key to ( সমাধানের উপায় ) He has found out the key to his problem.

Idioms:

  • At last ( অবশেষে ) I got my missing book at last.
  • In full swing ( পুরাদমে ) The school is now in full swing.
  • Black sheep ( কুলাঙ্গার ) He is a black sheep in his family.
  • Book worm ( গ্রন্থকীট ) Don't be a book worm.
  • By leaps and bounds ( অতি দ্রুতগতিতে ) The population of Bangladesh is increasing by leaps and bounds.
  • Fish in a troubled water ( এলোমোলো অবস্থায় সুযোগ নেওয়া ) He made a lot of money by fishing in a troubled water.