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

Appropriate Preposition:

  • Prompt at ( চটপটে (ব্যক্তিত্ব) ) He is prompt at figures.
  • Subject to ( শর্তাধীন ) This is subject to approval of the committee.
  • Distinguish between ( প্রভেদ করা ) Distinguish between a phrase and a clause.
  • Prevent from ( বারণ করা ; প্রতিরোধ করা ) I prevented him from going there.‌
  • Delight in ( আনন্দ ) He takes delight in music.
  • Void of ( বিহীন ) He is void of common sense.

Idioms:

  • All at once ( হঠাৎ ) All at once a tiger came out of the forest.
  • 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.
  • feather ones nest ( কাজ গুছিয়ে নেওয়া )
  • After all ( সবকিছু সত্ত্বেও ) After all, he is a patriot.
  • At a stretch ( একটানা ) He can run ten miles at a stretch.
  • By far ( সর্বাংশে ) He is by far the best boy in the class.