Amplifiers : পরিবর্ধক; বিবর্ধক; সম্প্রসারক; ধ্বনিসম্প্রাসারক যন্ত্রবিশেষ;
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Appropriate Prepositions
Despair of (নিরাশ হওয়া): Do not despair of further improvement.
Effect of (প্রভাব): The effect of corruption is very harmful for our society.
Full of (পরিপূর্ণ): Our Rivers are full of fishes.
Indifferent to (উদাসীন): Everybody is indifferent to my problem.
Look over (পরীক্ষা করা): He was looking over the answer scripts.
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Idioms
Learn by heart (মুখস্থ করা)— He learnt the poem by heart.
Out of temper (ক্রুদ্ধ): The teacher is out temper to see the overall results.
Red letter day (স্মরণীয় দিন): The 16th December is a red letter day for us.
Slip of the pen (লেখায় অসতর্কতাবশত সামান্য ভুল): The mistake is due to a slip of the pen.
To and fro (hither and thither, এদিক ওদিক)-The man is walking to and fro.