Unobserved : অলক্ষিত; অতর্কিত; অগোচর;
Related Words
unabsorbed  unobserved  unobservedly  See Words Also In
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Appropriate Prepositions
Affectionate to(স্নেহশীল): He is very affectionate to his baby.
Complain to (কারো কাছে নালিশ করা): You should not complain to his parents.
Conscious of(সচেতন): I am conscious of my deficiencies.
Greed for (লোভ): He has an indomitable greed for wealth.
Run on (বিরতিহীন চলা): The bus is running on time.
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Idioms
Eat humble pie (অপমান হজম করে ক্ষমা চাওয়া): The manager had to eat humble pie before his employees.
Fight shy of (এড়িয়ে যাওয়া): Honest boys always fight shy of bad and dishonest friends.
In one’s teens (তের থেকে উনিশ বছর বয়সের মাঝে): She is yet in her teens.
Man of letters (পন্ডিত ব্যক্তি): You are truly a man of letters.
Run short (কমতি পড়া) —I ran short of money.