Acuteness : সূক্ষ্মদর্শিতা;
Related Words
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Appropriate Prepositions
Agree with, on, to(একমত হওয়া): My father agreed with me on this point, but he did not agree to my proposal to set up a canteen.
Argue with, about(কথা কাটাকাটি করা): They always argue with me about tiny matter.
Attentive to(মনোযোগী): He is attentive to his business.
Depend on (নির্ভর করা): Presently, the students depend on/upon guide books.
Dependent on (নির্ভরশীল): Sepm is dependent on his father.
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Idioms
A bed of roses - (সুখকর অবস্থা): Life is not a bed of roses.
At one’s elbow (near at hand — হাতের কাছে – adv.) His private secretary is always at his elbow.
Back and forth (এদিক ওদিক) The mad man was running back and forth in the hospital.
Get rid of (মুক্তি পাওয়া): Try to get rid of the rogue.
Lose one’s heart (প্রেমে পড়া) — He lost his heart to the girl.