Helical : স্ক্রুর ন্যায় পেঁচাল;
Related Words
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Appropriate Prepositions
Appointment with (সাক্ষাতের সময়): He has an appointment with the minister at 10:00 am.
Bar to(বাধা): Poverty is not a bar to happiness.
Dwell in (বাস করা): He dwells in a tall apartment.
Play on (বাজানো): They play on the piano.
Substitute for (বদলে দেওয়া): This action is substitute for that.
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Idioms
Brown study (দিবাস্বপ্ন): The girl is absorbed in a brown study.
Bear hard upon (behave rudely-নির্দয়ভাবে ব্যবহার করা - V) Never bear hard upon your servants.
Crocodile tears (মায়াকান্না): He shed crocodile tears at our misery.
Fish in a troubled water (এলোমেলো অবস্থার সুযোগ নেয়া): He made a lot of money by fishing in a troubled water.
Round the clock (সমস্ত দিন): He is working round the clock.