Needlessness : অনাবশ্যক; অপ্রয়োজন; অপ্রয়োজনীয়তা;
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Appropriate Prepositions
Answerable to (কারো কাছে জবাবদিহিতা করা): He is not answerable to anybody for his mistake.
Argue over (কোন বিষয়ে তর্ক করা): The kids are arguing over which TV program to watch.
Cope with(সামলানো বা পেরে উঠা): They cannot cope with the situation.
Play at (খেলা): I do not play at cards.
Sanguine of (নিশ্চিত বা আশান্বিত): Be sanguine of your success.
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Idioms
At all (in the least degree – মোটেও না) There is no water at all in the pond.
Dead language (যে ভাষা এখন আর কথ্য নয়): Sanskrit is a rich language, but it is now a dead language.
Die in harness (কর্মরত অবস্থায় মারা যাওয়া): Dr. Sen died in harness.
Lump sum (এক কালীন) — He gave us lump sum money.
Part and parcel (অবিচ্ছেদ্য অংশ): Education is part and parcel to build a civilized nation.