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

Appropriate Preposition:

  • Composed of ( তৈরি ) Water is composed of Hydrogen and Oxygen.
  • Fit for ( যোগ্য ) He is not fit for the job.
  • Key to ( সমাধানের উপায় ) He has found out the key to his problem.
  • Useful for ( প্রয়োজনীয় (উদ্দেশ্য) ) This book is useful to us for examination.
  • Responsible for ( দায়ী (কোন কার্জ) ) He is responsible to the committee for his action.
  • Owe to ( ঋণী হওয়া ) I owe my all to him.

Idioms:

  • In black and white ( লিখিতভাবে ) Put down the statement in black and white.
  • At stake ( বিপন্ন ) His life is at stake now.
  • Through thick and thin ( বাধা বিপত্তির মধ্য দিয়ে ) Reveka followed her husband through thick and thin.
  • At bay ( কোনঠাসা ) The tiger was at bay in the bush.
  • For good ( চিরকালের জন্য ) He left the country for good.
  • In one's teens ( তের থেকে উনিশ বছর বয়সের মধ্যে ) She is yet in her teens.