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

Appropriate Preposition:

  • Officiate in ( পরিবর্তে কাজ করা (পদ) ) He officiated for me in that post.
  • Exempt from ( রেহাই দেওয়া ) He was exempted from the fine.
  • Aim at ( লক্ষ্য করা ) He aimed his gun at he bird.
  • Key to ( সমাধানের উপায় ) He has found out the key to his problem.
  • Liking for ( রুচি ) She has a liking for music.
  • Long for ( কামনা করা ) He longed for fame.

Idioms:

  • In force ( বলবৎ ) This law is in force now.
  • On the whole ( মোটের উপর ) On the whole, his conduct is good.
  • In lieu of ( পরিবর্তে ) Give me this pen in lieu of that.
  • All at once ( হঠাৎ ) All at once a tiger came out of the forest.
  • bell the cat ( সর্তকতার জন্য বিড়ালের গলায় ঘন্টা বাধা ; কোন কাজ যেটা অর্জন করা কঠিন বা অসম্ভব ) Everybody is trying but who actually bell the cat?
  • Take one to task ( তিরস্কার করা ) He was taken to task for negligence of duty.