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

Appropriate Preposition:

  • Dull at ( কাঁচা ) He is dull at Physics.
  • Avail of ( সুযোগ গ্রহণ করা ) You must avail yourself of the business.
  • Weak in ( কাঁচা ) He is weak in Mathematics.
  • Engaged with ( নিযুক্ত (ব্যক্তি) ) I was engaged with him in talk.
  • Mourn for ( শোক করা ) Don't mourn for the dead.
  • Inquire about ( অনুসন্ধান করা (কোন ব্যপার) ) I inquired of him about (into) the matter.

Idioms:

  • under the weather ( ভাল না ; অসুস্থ ) I've been feeling under the weather
  • Hold good ( প্রযুক্ত হওয়া ) This ruls will not hold good here.
  • throw dust in ones hands full ( কারো চোখে ধূলো দেওয়া )
  • By leaps and bounds ( অতি দ্রুতগতিতে ) The population of Bangladesh is increasing by leaps and bounds.
  • To the backbone ( হাড়ে হাড়ে ) The boy is wicked to the backbone.
  • Bring to light ( প্রকাশ করা ) At last all the facts were brought to light.