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

Appropriate Preposition:

  • Useful to ( প্রয়োজনীয় (ব্যক্তি) ) This book is useful to us for examination.
  • Escape by ( রক্ষা করা ) He escaped by a hair breadth.
  • Ignorant of ( অজ্ঞ ) He is ignorant of this rule.
  • Persist in ( লেগে থাকা ) He persisted in disturbing me.
  • Respect to ( সম্বন্ধে ) We are talking with respect to that matter.
  • Search of ( অনুসন্ধানে ব্যস্ত ) They are in search of nice bird.

Idioms:

  • At a loss ( হতবু্দ্ধি ; কিংকর্তব্যবিমূঢ় ) He was at a loss and did not know what to do.
  • Build castles in the air ( আকাশ কুসুম চিন্তা করা ) Don't idle away your time in building castles in the air.
  • At all ( আদৌ ) He does not know French at all.
  • Lame excuse ( বাজে গুজব ) This lame excuse will to do.
  • 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.
  • be up and doing ( উঠে-পড়ে লাগা )