Unobserved : অলক্ষিত; অতর্কিত; অগোচর;
Related Words
unabsorbed  unobserved  unobservedly  See Words Also In
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Appropriate Prepositions
Argue against (বিপক্ষে বলা): She argued against the bill.
Contrary to(বিপরীত, পরিপন্থী): Students should not act contrary to the rules of discipline.
Guess at (অনুমান করা): It is difficult to guess at the age of women.
Rule over (শাসন করা): In the absence of the Parliament, the President rules over the country.
Wish for (প্রত্যাশা করা): Everybody wish for happiness.
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Idioms
Run into debt (ঋণগ্রস্ত হওয়া)— He ran into debt.
Run a risk (ঝুকি নেয়া) — He ran a risk to save his life.
Slow coach (অলস): You cannot expect much from a slow coach.
Short cut (সংক্ষিপ্ত পথ)— He comes by this shortcut.
With the sweat of one’s brow (মাথার ঘাম পায়ে ফেলে) — He earns his livelihood with the sweat of his brow.