Unworried : নিশ্চিন্ত; অশঙ্কিত; অচঁচল; নিরূদ্বেগ; অব্যাকুল;
Related Words
un married  unhonoured  unhurried  unhurriedly  unhurriedness  unmarried  unmarried girl  unmerited  unmoored  unread  unready  unrewarded  unwearied  unworried  unworthiest  unwritten  See Words Also In
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Appropriate Prepositions
Associate with, in(জড়িত হওয়া): This man was associated with crime.
Care for(গ্রাহ্য করা): I do not care for you.
Concern with (জড়িত থাকা): Asif is not concerned with this conspiracy.
Qualified for (যোগ্য প্রতিপন্ন হওয়া): No candidate was properly qualified for the post.
Work for (কারো জন্য কাজ করা): She works for a construction company.
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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.
At-fault (guilty-কিংকর্তব্যবিমূঢ়, অপরাধ, দোষ adj.) You are at fault.
Flesh and blood (রক্তমাংসের শরীর): She's my own flesh and blood; I can't believe she treated me that way!
From hand to mouth (দিন আনে দিন খায়): The poor man live from hand to mouth.
Well-to-do (সঙ্গতিপূর্ণ) - He was not born in a well-to-do family.