Unauthentic : অপ্রমাণিক, বাজে;
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Appropriate Prepositions
Ask for (কোনো কিছু চাওয়া): Do not ask him for any help because he doesn’t like to help anyone.
Assent to(সম্মতি দেওয়া): The President has assented to the bill.
Run over (চাপা পড়া): The man was run over by a truck.
Sick of (ক্লান্ত): He is sick of this idle life.
Subsist on (বেঁচে থাকা): The poor subsist mainly on rice and pulses.
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Idioms
Bad blood - (শত্রুতা): There has always been bad blood between these families.
Back and forth (to and fro-এদিক ওদিক – adv.) The mad man was walking back and forth in the doctor’s chamber.
Pick one’s pocket (পকেট মারা)— He tried to pick my pocket.
Red tape (official formalities, অফিসের কাজ)— You would not believe the red tape involved in getting the required permits.
Silver living (hope- আশা বা ভালো দিক): Every cloud has a silver lining.