Blood and iron : নির্মম বলপ্রয়োগ;
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Appropriate Prepositions
Alarm at, by, for(আশংকা করা/শঙ্কিত হওয়া): I was not alarmed at/by the news, but I was alarmed for their safety.
Count for(গণ্য বা বিবেচিত হওয়া): There can be no lasting peace without true democracy in which the people play a part and count for something.
Cruise to (জয় লাভ করা): The Bangladesh team cruised to their fifth successive win this afternoon.
Descend on (আক্রমণ করা): Armed thieves descended on the helpless girl.
Search for (সন্ধান করা): The police searched the halls of residence for arms.
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Idioms
Acid test (অগ্নি পরীক্ষা): You must succeed in the acid test of the time you live in.45
Carry the day (জয়লাভ করা) The boys carried the day in the debate competition.
Gala day (বিশেষ দিন): The Eid–Ul-Fitr is a gala day for Muslims.
Moot point (অমীমাংসিত বিষয়): Dowry system is still a moot point in Bangladesh.
Run high (বেড়ে যাওয়া) —The price of everything has run high.