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

Appropriate Preposition:

  • Obstacle to ( বাধা ) Poverty is often obstacle to higher studies.
  • Compete with ( প্রতিযোগিতা করা (কোন একজন) ) I competed with him for the first prize.
  • Inquire of ( অনুসন্ধান করা (ব্যক্তি) ) I inquired of him about the matter.
  • Prevent from ( বারণ করা ; প্রতিরোধ করা ) I prevented him from going there.‌
  • Superior to ( উৎকৃষ্টতর ) This type of rice is superior to that.
  • Admit of ( স্বীকৃতি পাওয়া ) Your conduct admits of no excuse.

Idioms:

  • At bay ( কোনঠাসা ) The tiger was at bay in the bush.
  • Fish in a troubled water ( এলোমোলো অবস্থায় সুযোগ নেওয়া ) He made a lot of money by fishing in a troubled water.
  • Above board ( সংশয়হীন ভাবে নির্দোষ ) His activities are open and above board.
  • At random ( বেপরোয়া ; এলোমেলো ) He hit the ball at random.
  • A rainy day ( দুর্দিন ) Everybody should save something for rainy day.
  • By chance ( দৈবাৎ ) I met him on the way by chance.