Jack screw : গুরুভার বস্তু তুলিবার পেঁচালো যন্ত্র;
Related Words
jack screw  jackscrew  See Words Also In
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Appropriate Prepositions
Arrive at(উপস্থিত হওয়া, পৌছানো): The train arrived at Dhaka station on time.
Burst out a laughter(হাসিতে ফেটে পড়া) He bursts out a laughter.
Convince of(বিশ্বাস হওয়া): I am convinced of your efficiency.
Enter into (আলোচনা করতে আরম্ভ করা): Let’s not enter into details at this stage.
Taste of (স্বাদ; অভিজ্ঞতা): They have had some taste of problems.
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Idioms
As ill-luck would have it (unfortunately- দুর্ভাগ্যবশত) A child was born to them but, as ill-luck would have it, it died when it was eight days old.
Carry the day (জয়লাভ করা) The boys carried the day in the debate competition.
Eat humble pie (অপমান হজম করে ক্ষমা চাওয়া): The manager had to eat humble pie before his employees.
Far and wide (সর্বত্র): His fame spread far and wide.
Up to (পর্যন্ত) - I have done the exercises up to page 40.