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

Appropriate Preposition:

  • Essential to ( অত্যাবশ্যক ) Food is essential to health.
  • Guess at ( অনুমান করা ) Can you guess at her age?
  • Look into ( অনুসন্ধান করা ) I am looking into the matter.
  • Absorbed in ( নিবিষ্ট ; মগ্ন ) Scientist is absorbed in experiment
  • Favour with ( অনুগত করা ) Would you favour me with an early reply?
  • Rest upon ( নির্ভর করা ; বিশ্বাসস্থাপন করা ) I rest upon your promise.

Idioms:

  • Hard nut to crack ( কঠিন সমস্যা ) The problem of adult education is really a hard nut to crack.
  • On the wane ( হ্রাসমান ) His fame is on the wane now.
  • Call in question ( সন্দেহ করা ) No one can call his honesty in question.
  • At sixes and sevens ( বিশৃঙ্খলা অবস্থায় ) All the furniture in the room were at sixes and sevens.
  • In full swing ( পুরাদমে ) The school is now in full swing.
  • At last ( অবশেষে ) I got my missing book at last.