extemporaneous Audio  /adjective/  অনিয়মিত; তত্ক্ষণিক; পূর্বপ্রস্তুতিহীন; অচিন্তিতপূর্ব; আকস্মিক; আপতিক; দৈবাৎ;
SYNONYM   irregular; extemporary; unpremeditated; sudden; accidental; episodic;

Appropriate Preposition

  • Eligible for ( যোগ্য ) He is eligible for the post.
  • Look over ( পরীক্ষা করা ) He is looking over the answer papers.
  • Deal in ( ব্যবসা করা ) He deals in rice.
  • Count for ( গণ্য হওয়া ) His advice counts for nothing.
  • Jump to ( তাড়াহুড়ো করে সিদ্ধান্তে আসা ) Do not jump to a conclusion without much thinking.
  • Deaf of ( বধির ) He is deaf of one ear.
  • Build castles in the air ( আকাশ কুসুম চিন্তা করা ) Don't idle away your time in building castles in the air.
  • Take to one's heels ( ছুটিয়া পালানো ) The thieves took to their heels to see the police.
  • At the eleventh hour ( শেষ মুহূর্তে ) The doctor came to the patient at the eleventh hour.
  • By chance ( দৈবাৎ ) I met him on the way by chance.
  • At a stretch ( একটানা ) He can run ten miles at a stretch.
  • At least ( অন্ততঃ ) At least one hundred boys will come to school today.