Extemporary : তত্ক্ষণিক; পূর্বপ্রস্তুতিহীন; অচিন্তিতপূর্ব; আকস্মিক; আপতিক; দৈবাৎ; অনিয়মিত;
Related Words
extemporaneous  extemporary  extempore  extemporise  extemporization  extemporize  See Words Also In
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Appropriate Prepositions
Apathy towards (অনাগ্রহ): The student has great apathy towards his studies.
Appoint to(নিযুক্ত করা/হওয়া): Kibria has been appointed to the post of Headmaster.
Contrary to(বিপরীত, পরিপন্থী): Students should not act contrary to the rules of discipline.
Fail in (ব্যর্থ হওয়া): He failed in getting internet connection in his room.
Lost in (মগ্ন): Simon is lost in meditation.
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Idioms
At every step (প্রতি পদে পদে): There are dangers at every step in our life and yet we want to live.
Far and wide (সর্বত্র): His fame spread far and wide.
Follow the footsteps of (পায়ে পায়ে অনুসরণ করা): People always follow the footsteps of some great man.
In the long run (পরিণামে): You will have to suffer in the long run.
Red tape (official formalities, অফিসের কাজ)— You would not believe the red tape involved in getting the required permits.