Mainspring : মুখ্য উদ্দেশ্য; ঘড়ির প্রধান চালক-স্প্রিং;
Related Words
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Appropriate Prepositions
Associate with, in(জড়িত হওয়া): This man was associated with crime.
Effect of (প্রভাব): The effect of corruption is very harmful for our society.
Married to (বিবাহিত): Salma was married to a Govt. Officer.
Quick at (চটপটে): A cashier must be quick at figures.
Rebel against (বিদ্রোহ করা): The soldiers rebelled against the king.
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Idioms
Crocodile tears (মায়াকান্না): He shed crocodile tears at our misery.
Foul play (অসদাচারণ করা): We feared that he had met with foul play.
Pin money (স্ত্রীর দেয়া হাত খরচ)— She saved her pin money.
Silver living (hope- আশা বা ভালো দিক): Every cloud has a silver lining.
Yellow dog (হীন ব্যক্তি) - A yellow dog is always hated by all.