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

Appropriate Preposition:

  • Key to ( সমাধানের উপায় ) He has found out the key to his problem.
  • Free from ( মুক্ত ) He is now free from danger.
  • Impose on ( চাপানো ) The task was imposed on him.
  • Officiate for ( পরিবর্তে কাজ করা (ব্যক্তি) ) He officiated for me in that post.
  • Sanguine of ( নিশ্চিত ) She is sanguine of her success.
  • Obstacle to ( বাধা ) Poverty is often obstacle to higher studies.

Idioms:

  • know from a bare hint ( এক আঁচরেই বোঝা )
  • Carry the day ( জয়লাভ করা ) Rajib, the best player of the school, carried the day in the annual sports.
  • By chance ( দৈবাৎ ) I met him on the way by chance.
  • In force ( বলবৎ ) This law is in force now.
  • Lame excuse ( বাজে গুজব ) This lame excuse will to do.
  • To and fro ( এদিন-ওদিক ) Being unable to make up his mind the man is walking to and fro.