Active principle : সত্ত্ব;
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Appropriate Prepositions
Anxious for (কারোর ব্যাপারে চিন্তিত): Sabbir was anxious for her.
Argue over (কোন বিষয়ে তর্ক করা): The kids are arguing over which TV program to watch.
Convenient to(সুবিধাজনক): The work is convenient to your nature.
Desist from (বিরত থাকা): She desisted from making this.
Hunger for (আকাঙ্কা): The teacher has a great hunger for knowledge.
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Idioms
End in smoke (ব্যর্থ হওয়া): All his plans ended in smoke.
Short cut (সংক্ষিপ্ত পথ)— He comes by this shortcut.
To the brim (কানায় কানায়) - The river was full to the brim.
Tooth and nail (strongly, প্রবলভাবে)-He fought tooth and nail against his enemy.
With might and main (যথা শক্তি দিয়ে) —He tried with might and main to help me.