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

Appropriate Preposition:

  • Key to ( সমাধানের উপায় ) He has found out the key to his problem.
  • Succeed in ( সাফল্য লাভ করা ) He will succeed in life.
  • Assign to ( নির্দিষ্ট করে দেওয়া ) He assigned the task to me.
  • Apply for ( আবেদন করা (কোন কিছু) ) He applied to the Secretary for the post.
  • Parallel to ( সমান্তরাল ) This line is parallel to that.
  • Indulge in ( আসক্ত হওয়া ) He indulge in drugs.

Idioms:

  • 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.
  • At least ( অন্ততঃ ) At least one hundred boys will come to school today.
  • be on ones back ( একেবারে কুপোকাত )
  • By no means ( কোন ভাবেই না ) I shall by no means call on him.
  • Crying need ( জরুরী প্রয়োজন ) Mass education is the crying need of Bangladesh.
  • hold your horses ( সবুর করা ; ধৈর্য ধরা ) Hold your horses in trouble, you will get your reward.