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

Appropriate Preposition:

  • Polite in ( নম্র ) He is polite in his manners. (Polite to strangers).
  • Prompt in ( চটপটে (উত্তর) ) He is prompt in his answer.
  • Rely on ( নির্ভর করা ) You can rely on him.
  • Oblige to ( বাধিত করা ) I am obliged to him for his co-operation.
  • Live for ( বেঁচে থাকা ) He lives for fame.
  • Die by ( মারা যাওয়া (বিষ) ) He died by poison.

Idioms:

  • Rank and file ( সাধারণ লোক ) We should pay attention to the rank and file of the country.
  • Fish in a troubled water ( এলোমোলো অবস্থায় সুযোগ নেওয়া ) He made a lot of money by fishing in a troubled water.
  • Widow's mite ( দরিদ্রর ক্ষুদ্র দান ) A widow's mite is no less important than a large contribution of a rich man.
  • In black and white ( লিখিতভাবে ) Put down the statement in black and white.
  • Take one to task ( তিরস্কার করা ) He was taken to task for negligence of duty.
  • Pros and cons ( খুঁটিনাটি ) You should consider the Pros and cons of the system.