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

Appropriate Preposition:

  • Apply for ( আবেদন করা (কোন কিছু) ) He applied to the Secretary for the post.
  • Search for ( অনুসন্ধান ) Their search for the thing was of no avail.
  • Blind of ( দৃষ্টিশক্তিতে অন্ধ ) He is blind of one eye.
  • Alarmed at ( আতঙ্কিত ) We were alarmed at he news.
  • Certain of ( নিশ্চিত ) He is now certain of his ground.
  • Prevent from ( বারণ করা ; প্রতিরোধ করা ) I prevented him from going there.‌

Idioms:

  • Above board ( সংশয়হীন ভাবে নির্দোষ ) His activities are open and above board.
  • Weal and woe ( সুখ-দুঃখ ) Human life is full of weal and woe.
  • To and fro ( এদিন-ওদিক ) Being unable to make up his mind the man is walking to and fro.
  • a piece of cake ( খুবই সহজ ) This assignment is a piece of cake
  • Sink in ( আবদ্ধ হওয়া, ডুবে যাওয়া ) He sank in mud or the ship sank into the sea.
  • Bring to book ( শাস্তি দেওয়া ) He should be brought to book for his misconduct.