Lost labour : নিষ্ফল শ্রম; বেকার খাটনি;
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Appropriate Prepositions
Deaf to, of, in (না শোনা, বধির হওয়া): The boy is deaf to his father’s advice. This man is deaf of/in one ear.
Despair of (নিরাশ হওয়া): Do not despair of further improvement.
Inferior to (নীচু/হীন): He is inferior to his neighbor.
Penalty for, with (দণ্ড, জরিমানা): She has paid the penalty for the misuse of power with two years in prison.
Render into (অনুবাদ করা): Render the passage into Bengap.
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Idioms
Fall flat (ফলপ্রসূ না হওয়া): This business is going to fall flat.
In black and white – (লিখিতভাবে) – Put forward your proposal in black and white.
Lion’s share (বড় মাপের অংশ): He took the lion’s share of the profit.
Man of straw (অপদার্থ): We do not care for a man of straw like you.
Up to (পর্যন্ত) - I have done the exercises up to page 40.