working efficiency Audio  /noun/  কার্যক্ষমতা;
SYNONYM   efficacy;

Appropriate Preposition

  • Talk of ( কথা বলা (কোন জিনিস) ) I am talking to (with) Mr. Roy of (about, over) the matter.
  • Agree with ( একমত হওয়া (ব্যক্তি) ) I agree with you on this point
  • Hard of ( কম শোনা ) He is hard of hearing.
  • Endowed with ( ভূষিত ) He is endowed with talents.
  • Ill with ( অসুস্থ ) He is ill with fever.
  • Quarrel with ( কলহ করা (ব্যক্তি) ) They quarreled with one another for the property.
  • Dead against ( তীব্র বিরোধী ) I am dead against his proposal.
  • In time ( ঠিক সময়ে ) He reached the station in time.
  • By the by ( প্রসঙ্গক্রমে ) By the by I came to know that he was ill.
  • Gift of the gab ( বাককটুতা ) An advocate should have the gift of the gab.
  • Take one to task ( তিরস্কার করা ) He was taken to task for negligence of duty.
  • keep your chin up ( সুখি হওয়া ) His attempt keep your chin up