"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.
  • Mourn over ( শোক করা ) Don't mourn over the dead.
  • Die of ( মারা যাওয়া (রোগ) ) He died of cholera.
  • Addicted to ( আসক্ত ) He is addicted to separate.
  • Grateful to ( কৃতজ্ঞ (ব্যক্তি) ) I am grateful to you for your help.
  • in favour of ( পক্ষে ) He spoke in favour of his friend.

Idioms:

  • Weal and woe ( সুখ-দুঃখ ) Human life is full of weal and woe.
  • Fish in a troubled water ( এলোমোলো অবস্থায় সুযোগ নেওয়া ) He made a lot of money by fishing in a troubled water.
  • Moot point ( অমীমাংসিত বিষয় ) Dowry system is still a moot point in Bangladesh.
  • Out of date ( অপ্রচলিত ) This fashion is now out of date.
  • Achilles heel ( দুর্বলতা বা ত্রুটি ) He is trying to hide but everybody knows his achilles' heel
  • Black sheep ( কুলাঙ্গার ) He is a black sheep in his family.