Long standing : দীর্ঘকালস্থায়ী;
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Appropriate Prepositions
Akin to(সমজাতীয়): These are akin to one another.
Apply to (কারো কাছে আবেদন করা): He applied to the principal for free admission.
Change into (পরিবর্তিত হওয়া): At what point does boiling water change into vapor.
Count upon(নির্ভর করা): He always counts upon your help for this work.
Indebted to (ঋণী থাকা): We are indebted to the great leaders of the country for their service.
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Idioms
At a round rate (at the fixed price – নির্ধারিত মূল্যে) Things are selling in the shop at a round rate.
At a snail's pace (very slowly – খুব ধীর গতিতে) The economy of Bangladesh is growing at a snail’s pace.
Eat humble pie (অপমান হজম করে ক্ষমা চাওয়া): The manager had to eat humble pie before his employees.
Run a risk (ঝুকি নেয়া) — He ran a risk to save his life.
Slip of the tongue (বলায় সামান্য ভুল): This is a slip of the tongue; don’t pay much stress on it.