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

Appropriate Preposition:

  • Lay by ( সঞ্চয় করা ) Lay by something for the old age.
  • Ignorant of ( অজ্ঞ ) He is ignorant of this rule.
  • Think of ( চিন্তা করা (ব্যক্তি) ) What do you think of (about) him?
  • Guess at ( অনুমান করা ) Can you guess at her age?
  • Compete with ( প্রতিযোগিতা করা (কোন একজন) ) I competed with him for the first prize.
  • Wonder at ( অবাক হওয়া ) I wonder at his ignorance.

Idioms:

  • Out of order ( বিকল ) This car is out of order.
  • Round the clock ( সমস্ত দিন ) He is working round the clock.
  • Three R's ( প্রাথমিক শিক্ষা ) The majority of our people have not yet learnt the three R's.
  • On the contrary ( বিপরীত পক্ষে ) I do not hate him: on the contrary I love him.
  • In time ( ঠিক সময়ে ) He reached the station in time.
  • 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.