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

Appropriate Preposition:

  • Comment on ( মন্তব্য করা ) He commented favorably on the point.
  • Restrict to ( সীমাবব্ধ করা ) Admission was restricted to students.
  • Obstacle to ( বাধা ) Poverty is often obstacle to higher studies.
  • Deaf to ( শুনতে অনিচ্ছুক ) He is deaf to my request.
  • Composed of ( তৈরি ) Water is composed of Hydrogen and Oxygen.
  • Officiate in ( পরিবর্তে কাজ করা (পদ) ) He officiated for me in that post.

Idioms:

  • Sink in ( আবদ্ধ হওয়া, ডুবে যাওয়া ) He sank in mud or the ship sank into the sea.
  • Come off with flying colours ( জয়লাভ করা ) Our School team came off with flying colours.
  • Apple of discord ( বিবাদেয় বিষয় ) The paternal property has become an apple of discord between the two brothers.
  • loose cannon ( অপ্রত্যাশিত ) He is a bit of a loose cannon.
  • Cats and dogs ( মূষল ধারে ) It was raining cats and dogs.
  • Slip of the tongue ( বলায় সামান্য ভুল ) This is a slip of the tongue, don't lay much stress on it.