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

Appropriate Preposition:

  • Absorbed in ( নিবিষ্ট ; মগ্ন ) Scientist is absorbed in experiment
  • Live on ( খেয়ে বাঁচা ) The cow lives on grass.
  • Charge with ( অভিযোগ করা (ত্রুটি) ) He was charged with theft.
  • Eager for ( আগ্রহী ) He is eager for promotion in service.
  • Engaged in ( নিযুক্ত (কাজে) ) I was engaged with him in talk.
  • Obsessed with ( উদ্বিগ্ন ) He is obsessed with the idea.

Idioms:

  • On the spur of the moment ( মুহুর্তের উত্তেজনায় ) He did it on the spur of the moment.
  • At home ( দক্ষ ) He is at home in mathematics.
  • reinvent the wheel ( এমন কোনকিছু তৈরিতে সময় নষ্ট করা যা বর্তমানে বিদ্যমান ও ঠিকঠাক কাজ করে ) There's no point in us reinventing the wheel
  • By the by ( প্রসঙ্গক্রমে ) By the by I came to know that he was ill.
  • bad debts ( অশোধ্য বা অনাদায়ী ঋন ; যে ঋন শোধ করা যাবে না )
  • Man of straw ( অপদার্থ লোক ) We do not care a fig for a man of straw like him.