"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.
  • Oblige to ( বাধিত করা ) I am obliged to him for his co-operation.
  • Vary from ( আলাদা হওয়া ) His opinion varies from his brother's.
  • Essential to ( অত্যাবশ্যক ) Food is essential to health.
  • Need for ( প্রয়োজনীয় ) I have no need for more money.
  • Officiate in ( পরিবর্তে কাজ করা (পদ) ) He officiated for me in that post.

Idioms:

  • Dead language ( যে ভাষা এখন আর কথ্য নয় ) Sanskrit is a rich language, but it is now a dead language.
  • host in himself ( একাই একশ )
  • Hard and fast ( বাঁধা ধরা ) There is no such hard and fast rule in this matter.
  • By all means ( সবর্প্রকার ) Try to do it by all means.
  • Set free ( মুক্ত করা ) The prisoners were set free.
  • In fine ( পরিশেষ ) In fine he declared his plan.