Niobium : নাইত্তবিয়ামপদার্থ;
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Appropriate Prepositions
Angry for (কোন কাজে রাগান্বিত হওয়া): Rahim was angry with me for my having done this.
Astonished at(বিস্ময়-বিহবল হওয়া): We were astonished at his unexpected success.
Bridge over (সেতু): The only entrance to Allahabad in that direction was by a bridge over the Jumna.
Good for, at (ভাল): This man is good for nothing. He is good at English.
Repentance for (অনুতাপ): He has repentance for the past.
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Idioms
ABC - (প্রাথমিক জ্ঞান): I don't know the ABC of politics.
Call in question (সন্দেহ করা): No one can call his honesty in question.
Riding for a fall (বেপরোয়াভাবে কাজ করা- to act recklessly): He rides for a fall in the election.
Three R's (প্রাথমিক শিক্ষা)— He has not yet learnt the three R's.
Well-to-do (সঙ্গতিপূর্ণ) - He was not born in a well-to-do family.