Extemporise : পূর্বপ্রস্তুতি ব্যতীত বলা বা বক্তৃতা করা;
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Appropriate Prepositions
Adjacent to(সংলগ্ন): The Post Office is adjacent to my house.
Zeal for (উৎসাহ): Forhad has great zeal for cricket.
Count upon(নির্ভর করা): He always counts upon your help for this work.
Object to (প্রতিবাদ করা): Many people objected to the remarks of the leader.
Rejoice at/in (আনন্দ করা): Everybody rejoiced at/in his success.
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Idioms
Hush money (ঘুষ): He offered a hush money to disclose the file.
Stone’s throw (অতি নিকটে): Our school is at a stone’s throw from our house.
Short cut (সংক্ষিপ্ত পথ)— He comes by this shortcut.
Turn down (refuse, প্রত্যাখান করা) —He turned down my proposal.
Well up (সুপন্ডিত)- Dr. Shahidullah was well-up in Bengali language.