Without provocation : অকারণ; অকারণে;
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Appropriate Prepositions
Apply for(কারো কাছে আবেদন করা): Sumi applied to the Principal for free studentship.
Arrange for(ব্যবস্থা করা): We have arranged everything for our study tour.
Bridge over (সেতু): The only entrance to Allahabad in that direction was by a bridge over the Jumna.
Detrimental to (অপকারী): Smoking is detrimental to health.
Road to (উপায়/ রাস্তা): There is no easy road to learning.
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Idioms
Bird’s eye view - (ভাসা ভাসা দৃশ্য, হালকাভাবে দর্শন): We took a bird’s eye view of the scenery.
Back and forth (to and fro-এদিক ওদিক – adv.) The mad man was walking back and forth in the doctor’s chamber.
Cock and bull story (আষাঢ়ে গল্প): You must be ashamed of your cock and bull story.
Man of letters (পন্ডিত ব্যক্তি): You are truly a man of letters.
Pick one’s pocket (পকেট মারা)— He tried to pick my pocket.