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

Appropriate Preposition:

  • Interest in ( আগ্রহ ) He has a special interest in history.
  • Search of ( অনুসন্ধানে ব্যস্ত ) They are in search of nice bird.
  • Oblige to ( বাধিত করা ) I am obliged to him for his co-operation.
  • Part from ( বিচ্ছিন্ন হওয়া (ব্যক্তি) ) He parted form his friend.
  • Polite in ( নম্র ) He is polite in his manners. (Polite to strangers).
  • Envious of ( ঈর্ষান্বিত ) I am not envious of his riches.

Idioms:

  • Round the clock ( সমস্ত দিন ) He is working round the clock.
  • a bad apple ( কোনো একটা দলের সব ভালোর মধ্যে খারাপ বা মন্দটা ) In any group of average citizens there are bound to be a few bad apples.
  • Pros and cons ( খুঁটিনাটি ) You should consider the Pros and cons of the system.
  • A rainy day ( দুর্দিন ) Everybody should save something for rainy day.
  • By far ( সর্বাংশে ) He is by far the best boy in the class.
  • walk in someone shoes ( কারো অভিজ্ঞতা বা অবস্থানে থাকা বোঝায় ) When you walk in my shoes, you might understand.