Black stain : কালচিটে; কালচিটা;
Related Words
ballasting  black stain  blasting  block stone  blockading  See Words Also In
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Appropriate Prepositions
Adept in (দক্ষ): He is adept in playing football.
Alarm at, by, for(আশংকা করা/শঙ্কিত হওয়া): I was not alarmed at/by the news, but I was alarmed for their safety.
Ascend from (উপরে ওঠা): Rahim watched the mist ascending from the valley.
Assent to(সম্মতি দেওয়া): The President has assented to the bill.
Guilty of (অপরাধী/দোষী): The convict was guilty of murder.
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Idioms
Art and part (অভিসন্ধি ও সম্পাদন) We have no art and part in his affairs.
Bear hard upon (behave rudely-নির্দয়ভাবে ব্যবহার করা - V) Never bear hard upon your servants.
To the point (সঠিক) - The boy answered the question to the point.
Three score (ষাট): He is happy as his brother got three score.
Ups and downs (উত্থান পতন): There are ups and downs in a man’s life.