Auto-collimation : স্বতোক্ষীভবন;
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Appropriate Prepositions
Busy with(ব্যস্ত থাকা): Rahim is now busy with her homework.
Contribution to (অবদান): His invention made a major contribution to road safety.
Grateful to (কৃতজ্ঞ): We should be grateful to our teachers.
Run on (বিরতিহীন চলা): The bus is running on time.
Worry about (কোনো কিছু বা কাউকে নিয়ে উদ্বিগ্ন হওয়া): Please, don’t worry about me. I will be alright.
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Idioms
Art and part (অভিসন্ধি ও সম্পাদন) We have no art and part in his affairs.
For good (চিরদিনের জন্য): He left the house for good.
Milk and honey – (প্রাচুর্য)- He lives with milk and honey.
On the contrary (বিপরীত পক্ষে): I do not hate him; on the contrary I love him.
Swan-song (অন্তিম গীত, শেষ কর্ম): This writing is the swan song of Kazi Nazrul islam.