Vigilant : সতর্ক প্রহরারত;
Related Words
vigilant  vigilante  See Words Also In
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Appropriate Prepositions
Abstain from(বিরত থাকা): I am trying to abstain from sweets for my new diet.
Call in(ডাকিয়া আনা): They called in a doctor.
Concerned with(জড়িত): She was concerned with such things.
Entitled to (অধিকারী): He is entitled to a reward for honesty.
Take pity on (দয়া করা): Take pity on the helpless people.
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Idioms
After all - (সব কথার পরেও): I rang and told her I couldn't come after all.
Pros and cons (খুঁটিনাটি): You should consider the pros and cons of the system.
Slip of the pen (লেখায় অসতর্কতাবশত সামান্য ভুল): The mistake is due to a slip of the pen.
Turn over a new leaf (begin a new phase of life, নবজীবন শুরু করা) —After his failure he turned over a new leaf.
Well off (স্বচ্ছল) - Jim and Della were not well off.