Worm-hole : পোকায় কাটা গর্ত;
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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.
Attentive to(মনোযোগী): He is attentive to his business.
Charge with(অভিযুক্ত করা): He is charged with killing.
Play on (বাজানো): They play on the piano.
Work for (কারো জন্য কাজ করা): She works for a construction company.
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Idioms
Brown study (day dream-দিবাস্বপ্ন -n) The woman is absorbed in a brown study.
Rank and file (সাধারণ লোক): We should pay attention to the rank and file of the country.
Tooth and nail (strongly, প্রবলভাবে)-He fought tooth and nail against his enemy.
Ups and downs (উত্থান পতন)- There is ups and downs in a man's life.
Well off (স্বচ্ছল) - Jim and Della were not well off.