Jack screw : গুরুভার বস্তু তুলিবার পেঁচালো যন্ত্র;
Related Words
jack screw  jackscrew  See Words Also In
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Appropriate Prepositions
Appear at/in(উপস্থিত হওয়া): I should appear at/in the exam hall in time.
Based on(প্রতিষ্ঠিত, ভিত্তিক): His information is not based on the correct information.
Cope with(সামলানো বা পেরে উঠা): They cannot cope with the situation.
Hunger for (আকাঙ্কা): The teacher has a great hunger for knowledge.
Shout at (চিৎকার করে ডাকা): Do not shout at your parents.
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Idioms
A bed of roses - (সুখকর অবস্থা): Life is not a bed of roses.
At the eleventh hour (at the last moment-শেষ মুহুর্তে adv.) The patient was in a dangerous condition and the doctor came at the eleventh hour.
On the wane (হ্রাসমান): His fame is on the wane now.
Pack of lies (ডাঁহা মিথ্যা)—He told pack of lies to prove himself innocent.
Pin money (স্ত্রীর দেয়া হাত খরচ)— She saved her pin money.