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

Appropriate Preposition:

  • Free from ( মুক্ত ) He is now free from danger.
  • Limited to ( সীমাবদ্ধ ) Invitation was limited to members only.
  • Beware of ( সতর্ক হওয়া ) Beware of pick-pockets.
  • Wonder at ( অবাক হওয়া ) I wonder at his ignorance.
  • Devote to ( উৎসর্গ করা ) He devotes much time to study.
  • Favourable to ( অনুকূল (ব্যক্তি) ) This situation is favourable to me for doing this.

Idioms:

  • By chance ( দৈবাৎ ) I met him on the way by chance.
  • In time ( ঠিক সময়ে ) He reached the station in time.
  • Birds eye view ( মোটামোটি ধারণা ; এক নজর ) He took a bird’s eye view of the flood-stricken area from an aeroplane.
  • a piece of cake ( খুবই সহজ ) This assignment is a piece of cake
  • Red letter day ( স্মরণীয় দিন ) The 21 February is a red letter day in the history of Bangladesh.
  • By all means ( সবর্প্রকার ) Try to do it by all means.