Demonstrations : উপপাদন;
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Appropriate Prepositions
Apathy towards (অনাগ্রহ): The student has great apathy towards his studies.
Attention to(মনোযোগ): He has no attention to his studies.
Fantasize about (কল্পনা করা): They fantasized about winning the lottery.
Hanker after (আকাঙ্ক্ষা/লোভ করা): He hankers after riches.
Hit upon (পরিকল্পনা নেয়া): Rahim hit upon a new plan.
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Idioms
At the top of (শীর্ষে): The boy shouted at the top of his voice.
Black sheep - (কুলাঙ্গার): Stay away from the Black sheep.
Back and bally (জীবিকা, ভরণ পোষণ—n) Who will provide the increasing population with the required back and bally?
Pack up a quarrel (ঝগড়া মিটানো)— He packed up their quarrel.
Read between the lines (understand the significance, অন্তনিহিত অর্থ বুঝা) Try to read between the lines of the letter.