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

Appropriate Preposition:

  • Wonder at ( অবাক হওয়া ) I wonder at his ignorance.
  • Search for ( অনুসন্ধান ) Their search for the thing was of no avail.
  • Good at ( দক্ষ ) He is good at tennis.
  • Clue to ( সূত্র ) Find out the clue to the mystery.
  • Distinguish between ( প্রভেদ করা ) Distinguish between a phrase and a clause.
  • Blush with (for) ( লজ্জায় রাঙা হওয়া ) She blushed with shame.

Idioms:

  • Set free ( মুক্ত করা ) The prisoners were set free.
  • Hard and fast ( বাঁধা ধরা ) There is no such hard and fast rule in this matter.
  • Come off with flying colours ( জয়লাভ করা ) Our School team came off with flying colours.
  • At random ( বেপরোয়া ; এলোমেলো ) He hit the ball at random.
  • Bring to book ( শাস্তি দেওয়া ) He should be brought to book for his misconduct.
  • Red letter day ( স্মরণীয় দিন ) The 21 February is a red letter day in the history of Bangladesh.