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

Appropriate Preposition:

  • Prefer to ( অধিক পছন্দ করা ) I prefer coffee to tea.
  • Useful for ( প্রয়োজনীয় (উদ্দেশ্য) ) This book is useful to us for examination.
  • Good at ( দক্ষ ) He is good at tennis.
  • Devote to ( উৎসর্গ করা ) He devotes much time to study.
  • Agree to ( একমত হওয়া (প্রস্তাব) ) I can't agree to the proposals.
  • Admit of ( স্বীকৃতি পাওয়া ) Your conduct admits of no excuse.

Idioms:

  • Slip of the tongue ( বলায় সামান্য ভুল ) This is a slip of the tongue, don't lay much stress on it.
  • At one’s wit’s end ( হতবুদ্ধি ) He was at his wit’s end and did not know what to do.
  • be in ones bad books ( কারও অপ্রিয় হওয়া )
  • Red letter day ( স্মরণীয় দিন ) The 21 February is a red letter day in the history of Bangladesh.
  • In vain ( বৃথা ) All his attempts were in vain.
  • 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.