Penumbra : চন্দ্র বা সূয্য গস্খণের সময় পূর্ণ ছায়ার চারিদিকে আংশিক ছায়া;
Related Words
penumbra  penumbral  penumbras  See Words Also In
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Appropriate Prepositions
Apathy towards (অনাগ্রহ): The student has great apathy towards his studies.
Cure of, for(রোগমুক্ত হওয়া): This man was cured of This drug is a cure for typhoid.
Entitled to (অধিকারী): He is entitled to a reward for honesty.
Free from (মুক্ত): He is now free from danger.
Noted for (বিখ্যাত): She is noted for dancing.
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Idioms
A bed of roses - (সুখকর অবস্থা): Life is not a bed of roses.
Crocodile tears (মায়াকান্না): He shed crocodile tears at our misery.
Fight shy of (এড়িয়ে যাওয়া): Honest boys always fight shy of bad and dishonest friends.
Fair play (প্রতারণা বিহীন নীতি বা কাজ): I believe in the practice of fair play in my business.
Steer clear of (avoid, দূরে থাকা)— You must steer clear of evil company.