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

Appropriate Preposition:

  • Unite with ( ঐক্যবদ্ধ হওয়া ) Be united with your friends.
  • Avail of ( সুযোগ গ্রহণ করা ) You must avail yourself of the business.
  • Engaged with ( নিযুক্ত (ব্যক্তি) ) I was engaged with him in talk.
  • Envy of ( ঈর্ষা ) I have no envy of him.
  • Prevent from ( বারণ করা ; প্রতিরোধ করা ) I prevented him from going there.‌
  • Beware of ( সতর্ক হওয়া ) Beware of pick-pockets.

Idioms:

  • Hard nut to crack ( কঠিন সমস্যা ) The problem of adult education is really a hard nut to crack.
  • A rainy day ( দুর্দিন ) Everybody should save something for rainy day.
  • pulling your leg ( কৌতক করা ) Do not take it seriously, i was just pulling you leg
  • be on ones back ( একেবারে কুপোকাত )
  • cringing flatterer ( খঁয়ের খা )
  • Pros and cons ( খুঁটিনাটি ) You should consider the Pros and cons of the system.