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

Appropriate Preposition:

  • Congratulate on ( অভিনন্দিত করা ) I congratulate you on your success.
  • Rich in ( সম্পদশালী ) Bangladesh is rich in minerals.
  • Useful to ( প্রয়োজনীয় (ব্যক্তি) ) This book is useful to us for examination.
  • Anxious about ( উদ্বিগ্ন ) I am anxious about my health.
  • Quick at ( চটপটে ) He is quick at figures.
  • Pass away ( মারা যাওয়া ) He passes away last night.

Idioms:

  • All on a sudden ( হঠাৎ ) All on a sudden a tiger came out of the bush.
  • By the by ( প্রসঙ্গক্রমে ) By the by I came to know that he was ill.
  • 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.
  • in the doldrums ( উদাসীন ভাবাপন্ন )
  • At the eleventh hour ( শেষ মুহূর্তে ) he doctor came to the patient at the eleventh hour.
  • By all means ( সবর্প্রকার ) Try to do it by all means.