Sudden attack : অতর্কিত আক্রমণ;
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Appropriate Prepositions
Adapt for (উপযোগী করে নেওয়া): This book has been adapted for the children.
Close to(নিকটে): Our College is close to the Post Office.
Contrary to(বিপরীত, পরিপন্থী): Students should not act contrary to the rules of discipline.
Defend against (রক্ষা করা): We will defend our country against all enemies.
Run on (বিরতিহীন চলা): The bus is running on time.
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Idioms
Bear in mind (remember— মনে রাখা —V): You should also bear in mind the additional costs of the mortgage.
Bear hard upon (behave rudely-নির্দয়ভাবে ব্যবহার করা - V) Never bear hard upon your servants.
Carry the day (জয়লাভ করা) The boys carried the day in the debate competition.
Turn a deaf ear to (pay no attention, প্রত্যাখান করা) —He turned a deaf ear to my proposal.
Well off (স্বচ্ছল) - Jim and Della were not well off.