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

Appropriate Preposition:

  • Tell upon ( ক্ষতি করা ) Over-eating tells upon health.
  • Key to ( সমাধানের উপায় ) He has found out the key to his problem.
  • Engaged with ( নিযুক্ত (ব্যক্তি) ) I was engaged with him in talk.
  • Entitled to ( অধিকারী ) He is entitled to a reward for his honesty.
  • Commence on ( শুরু করা ) Our examination commences on the 3rd July.
  • Come of ( জন্মগ্রহণ করা ) He comes of a noble family.

Idioms:

  • At once back and call ( বাধ্য ) He is always at my back and call.
  • a rotten apple ( কোনো একটা দলের সব ভালোর মধ্যে খারাপ বা মন্দটা ) In any group of average citizens there are bound to be a few rotten apples.
  • By chance ( দৈবাৎ ) I met him on the way by chance.
  • clever hit ( কথার মতন কথা )
  • Kith and kin ( নিকট আত্মীয় ) He has no good relationship with his kith and kin.
  • Build castles in the air ( আকাশ কুসুম চিন্তা করা ) Don't idle away your time in building castles in the air.