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

Appropriate Preposition:

  • Engaged in ( নিযুক্ত (কাজে) ) I was engaged with him in talk.
  • Prevent from ( বারণ করা ; প্রতিরোধ করা ) I prevented him from going there.‌
  • Slow of ( ধীর ) He is slow of speech. He is slow at figures. He is slow in writing.
  • Enquire of ( অনুসন্ধান করা (ব্যক্তি) ) He enquired of me into the matter.
  • Equal with ( সমতুল্য (ব্যক্তি) ) Mr.Karim is equal in rank with Mr.Rahim.
  • Composed of ( তৈরি ) Water is composed of Hydrogen and Oxygen.

Idioms:

  • At large ( স্বাধীন ) The anti-socials are still at large.
  • In lieu of ( পরিবর্তে ) Give me this pen in lieu of that.
  • Crying need ( জরুরী প্রয়োজন ) Mass education is the crying need of Bangladesh.
  • Do yeoman's service ( বিশেষ উপকার করা ) Raja Rammohan Roy has done yeoman's service to our country.
  • Square meal ( পেট ভরা আহার ) He is too poor to have a square meal every day.
  • hold your horses ( সবুর করা ; ধৈর্য ধরা ) Hold your horses in trouble, you will get your reward.