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

Appropriate Preposition:

  • Hope for ( আশা করা ) Let us hope for the best.
  • Equal with ( সমতুল্য (ব্যক্তি) ) Mr.Karim is equal in rank with Mr.Rahim.
  • Prevent from ( বারণ করা ; প্রতিরোধ করা ) I prevented him from going there.‌
  • Wait for ( অপেক্ষা করা ) I waited for him for two hours.
  • Key to ( সমাধানের উপায় ) He has found out the key to his problem.
  • Oblige to ( বাধিত করা ) I am obliged to him for his co-operation.

Idioms:

  • a bad apple ( কোনো একটা দলের সব ভালোর মধ্যে খারাপ বা মন্দটা ) In any group of average citizens there are bound to be a few bad apples.
  • be bad at ( দক্ষ না হওয়া )
  • Catch red handed ( হাতে নাতে ধরা ) The thief was caught red handed.
  • Pros and cons ( খুঁটিনাটি ) You should consider the Pros and cons of the system.
  • Cock and bull story ( গাঁজাখুরি গল্প ) Nobody will believe your cock and bull story
  • till the cows come home ( অনেক সময় ধরে ) I could play outside till the cows come home