Amelioration : উনতি, উন্নতি সম্পাদান;
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Appropriate Prepositions
Effect of (প্রভাব): The effect of corruption is very harmful for our society.
Entitled to (অধিকারী): He is entitled to a reward for honesty.
Genius for (দক্ষতা): Nazrul had a genius for convincing girls.
Good for, at (ভাল): This man is good for nothing. He is good at English.
Married to (বিবাহিত): Salma was married to a Govt. Officer.
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Idioms
Out of date (সেকেলে): This fashion is out of date.
Out of order (বিকল): The elevator was out of order.
Pack of lies (ডাঁহা মিথ্যা)—He told pack of lies to prove himself innocent.
Turn over a new leaf (begin a new phase of life, নবজীবন শুরু করা) —After his failure he turned over a new leaf.
Weal and woe (joy and sorrow, সুখ দঃখ) —Human life is full of weal and woe.