Relative velocity : আপেক্ষিক বেগ;
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Appropriate Prepositions
Apart from(ছাড়া, ব্যতীত, দূরে): They pave apart from each other.
Apology to (কারো কাছে ক্ষমা চাওয়া): Rakib should ask apology to her.
Break in (কথার মাঝে কথা বলা): As she was talking, he suddenly broke in, saying, ‘that’s a rat!’
Due to (কারণে): His absence is due to illness.
Sentence to, for (দন্ডাদেশ দেওয়া): He was sentenced to death for murder.
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Idioms
Eat humble pie (অপমান হজম করে ক্ষমা চাওয়া): The manager had to eat humble pie before his employees.
Hue and cry (শোরগোল): The villagers raised a hue and cry to see the thief.
To play on a fiddle (অনর্থক সময় নষ্ট করা - To waste time)-He played on a fiddle by nature.
Square meal (পেট ভরা আহার): He is too poor to have a square meal everyday.
Yellow dog (হীন ব্যক্তি) - A yellow dog is always hated by all.