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

Appropriate Preposition:

  • Obstacle to ( বাধা ) Poverty is often obstacle to higher studies.
  • Differ in ( ভিন্ন মত হওয়া (মতামত) ) They differ in their opinions.
  • Lay by ( সঞ্চয় করা ) Lay by something for the old age.
  • Think of ( চিন্তা করা (ব্যক্তি) ) What do you think of (about) him?
  • Stare at ( একদৃষ্টিতে তাকানো ) She stared at me.
  • Die of ( মারা যাওয়া (রোগ) ) He died of cholera.

Idioms:

  • In vain ( বৃথা ) All his attempts were in vain.
  • In lieu of ( পরিবর্তে ) Give me this pen in lieu of that.
  • Birds eye view ( মোটামোটি ধারণা ; এক নজর ) He took a bird’s eye view of the flood-stricken area from an aeroplane.
  • At all events ( যাই ঘটুক সব ক্ষেত্রেই ) I shall stand by him at all events.
  • Build castles in the air ( আকাশ কুসুম চিন্তা করা ) Don't idle away your time in building castles in the air.
  • Read between the lines ( তাৎপর্য বোঝা ) Try to read between the lines of the letter.