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

Appropriate Preposition:

  • Key to ( সমাধানের উপায় ) He has found out the key to his problem.
  • Responsible for ( দায়ী (কোন কার্জ) ) He is responsible to the committee for his action.
  • Based on ( ভিত্তি থাকা ) Your remarks were not based on the facts.
  • Loyal to ( বিশ্বস্ত ) He is loyal to his master.
  • Remind of ( মনে করিয়ে দেওয়া (কোনকিছু) ) I reminded him of his promise.
  • Ignorant of ( অজ্ঞ ) He is ignorant of this rule.

Idioms:

  • keep your chin up ( সুখি হওয়া ) His attempt keep your chin up
  • At home ( দক্ষ ) He is at home in mathematics.
  • Out of date ( অপ্রচলিত ) This fashion is now out of date.
  • At arm’s length ( দূরে ) Try to keep the bad boy at arm’s length.
  • put the cart before the horse ( স্বাভাবিক অবস্থা উলটাইয়া দেওয়া ; অস্বাভাবিক অবস্থা পরিণত করা )
  • Now and then ( মাঝে মাঝে ) He comes here now and then.