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

Appropriate Preposition:

  • Hard at ( উদ্যমী ) He is hard at work before examination.
  • in favour of ( পক্ষে ) He spoke in favour of his friend.
  • Grateful for ( কৃতজ্ঞ (কোনকিছু) ) I am grateful to you for your help.
  • Mourn for ( শোক করা ) Don't mourn for the dead.
  • Based on ( ভিত্তি থাকা ) Your remarks were not based on the facts.
  • Prompt in ( চটপটে (উত্তর) ) He is prompt in his answer.

Idioms:

  • Bring to light ( প্রকাশ করা ) At last all the facts were brought to light.
  • Catch red handed ( হাতে নাতে ধরা ) The thief was caught red handed.
  • 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.
  • Sink in ( আবদ্ধ হওয়া, ডুবে যাওয়া ) He sank in mud or the ship sank into the sea.
  • At home ( দক্ষ ) He is at home in mathematics.
  • At least ( অন্ততঃ ) At least one hundred boys will come to school today.