Externality : বাহি্যক আচরণ; অগভীরতা;
Related Words
external debt  external trade  externality  See Words Also In
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Appropriate Prepositions
Zeal for (উৎসাহ): Forhad has great zeal for cricket.
Attend to(মনোযোগ দেওয়া): Please attend to my advice.
Conscious of(সচেতন): I am conscious of my deficiencies.
Die of, for, from (মারা যাওয়া): He died of cholera. He died for his country. He died from an injury.
Relevant to (প্রাসঙ্গিক): Your answer is not exactly relevant to my question.
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Idioms
Pack of lies (ডাঁহা মিথ্যা)—He told pack of lies to prove himself innocent.
Set free (মুক্ত করা): The prisoners were set free.
Take one to task (rebuke, তিরস্কার করা)— He took me to task for negligence of duty.
Ups and downs (উত্থান পতন): There are ups and downs in a man’s life.
With the sweat of one’s brow (মাথার ঘাম পায়ে ফেলে) — He earns his livelihood with the sweat of his brow.