Dull of Audio  /phrasal-verb/  বোধশক্তিহীন
EXAMPLE  He is dull of understanding.

Appropriate Preposition

  • Insist on ( জিদ করা ) He insisted on my going home.
  • Eligible for ( যোগ্য ) He is eligible for the post.
  • Faithful to ( বিশ্বস্ত ) The dog is faithful to his master.
  • Persist in ( লেগে থাকা ) He persisted in disturbing me.
  • Dispose of ( বিক্রয় করা ) He disposed of his books.
  • Useful to ( প্রয়োজনীয় (ব্যক্তি) ) This book is useful to us for examination.
  • Cats and dogs ( মূষল ধারে ) It was raining cats and dogs.
  • 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.
  • At once back and call ( বাধ্য ) He is always at my back and call.
  • slap on the wrist ( মৃদু শাস্তি ) Although he broke the rules, he was only given a slap on the wrist
  • Achilles heel ( দুর্বলতা বা ত্রুটি ) He is trying to hide but everybody knows his achilles' heel