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

Appropriate Preposition:

  • Invite to ( নিমন্ত্রণ করা ) I invited him to dinner.
  • Confident of ( স্থির বিশ্বাসী ) I am confident of success.
  • Certain of ( নিশ্চিত ) He is now certain of his ground.
  • Distinguish between ( প্রভেদ করা ) Distinguish between a phrase and a clause.
  • Rob of ( অপহরণ করা ) Somebody robbed him of his purse.
  • Inquire about ( অনুসন্ধান করা (কোন ব্যপার) ) I inquired of him about (into) the matter.

Idioms:

  • At stake ( বিপন্ন ) His life is at stake now.
  • Set free ( মুক্ত করা ) The prisoners were set free.
  • Achilles heel ( দুর্বলতা বা ত্রুটি ) He is trying to hide but everybody knows his achilles' heel
  • Of course ( অবশ্যই ) Of course, you know what that means
  • 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.
  • On the wane ( হ্রাসমান ) His fame is on the wane now.