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

Appropriate Preposition:

  • Retire from ( অবসর লওয়া ) He retired from service on a pension.
  • Officiate in ( পরিবর্তে কাজ করা (পদ) ) He officiated for me in that post.
  • Attend upon ( সেবা করা ) She attends upon her mother.
  • Hope for ( আশা করা ) Let us hope for the best.
  • Escape by ( রক্ষা করা ) He escaped by a hair breadth.
  • Avail of ( সুযোগ গ্রহণ করা ) You must avail yourself of the business.

Idioms:

  • At once back and call ( বাধ্য ) He is always at my back and call.
  • Slip of the tongue ( বলায় সামান্য ভুল ) This is a slip of the tongue, don't lay much stress on it.
  • At a stretch ( একটানা ) He can run ten miles at a stretch.
  • A black sheep ( কুলাঙ্গার ) Tom is a black sheep in their family
  • In the mean time ( ইতিমধ্যে ) Lila will come here to-night. In the mean time you should get her room ready.
  • In one's teens ( তের থেকে উনিশ বছর বয়সের মধ্যে ) She is yet in her teens.