Check and balance : রোধন ও সমন্বয়ন;
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Appropriate Prepositions
Desire for (কামনা): He has no desire for fame.
Despair of (নিরাশ হওয়া): Do not despair of further improvement.
Hinge on/upon (নির্ভর করা): The whole matter hinges upon this clue.
Penalty for, with (দণ্ড, জরিমানা): She has paid the penalty for the misuse of power with two years in prison.
Rejoice at/in (আনন্দ করা): Everybody rejoiced at/in his success.
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Idioms
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
In the long run (পরিণামে): You will have to suffer in the long run.
Of course (অবশ্যই): Of course, you know what that meant.
Swan-song (অন্তিম গীত, শেষ কর্ম): This writing is the swan song of Kazi Nazrul islam.
Three R's (প্রাথমিক শিক্ষা)— He has not yet learnt the three R's.