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

Appropriate Preposition:

  • Useful to ( প্রয়োজনীয় (ব্যক্তি) ) This book is useful to us for examination.
  • Despair of ( নিরাশ হওয়া ) Do not despair of success.
  • Busy with ( ব্যস্ত ) He is busy with his studies.
  • Devote to ( উৎসর্গ করা ) He devotes much time to study.
  • Satisfied with ( সন্তুষ্ট ) I am satisfied with him or I am satisfied of the truth.
  • Guess at ( অনুমান করা ) Can you guess at her age?

Idioms:

  • A black sheep ( কুলাঙ্গার ) Tom is a black sheep in their family
  • All at once ( হঠাৎ ) All at once a tiger came out of the forest.
  • Pros and cons ( খুঁটিনাটি ) You should consider the Pros and cons of the system.
  • From hand to mouth ( দিন আনে দিন খায় ) The poor man lives form hand to mouth.
  • At a loss ( হতবু্দ্ধি ; কিংকর্তব্যবিমূঢ় ) He was at a loss and did not know what to do.
  • Build castles in the air ( আকাশ কুসুম চিন্তা করা ) Don't idle away your time in building castles in the air.