Asperity : ব্যবহারের রুক্ষতা;
Related Words
asperities  asperity  aspirate  See Words Also In
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Appropriate Prepositions
Affection for(স্নেহ): She has a great affection for the child.
Aim at(আঘাত করার জন্য লক্ষ্য স্থির করা): The hunter aimed at the tiger.
Pity for (করুণা, সমব্যথা): I feel pity for this helpless old man.
Remedy for (প্রতিকার): There is no remedy for cancer.
Taste of (স্বাদ; অভিজ্ঞতা): They have had some taste of problems.
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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.
Bear (a) grudge (bear hostility to— শত্রুতা বা বিদ্বেষ পোষন করা—V) We should not bear (a) grudge against our brethren.
Pros and cons (খুঁটিনাটি): You should consider the pros and cons of the system.
Soft Soap (নিজ অভিপ্রায়ে/অভিসন্ধিতে তোষামোদ করা): He was expert in soft soap.
Up and doing (উদ্যোগী): Be up and doing and then you will succeed in your life.