Helical : স্ক্রুর ন্যায় পেঁচাল;
Related Words
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Appropriate Prepositions
Apathy towards (অনাগ্রহ): The student has great apathy towards his studies.
Bar to(বাধা): Poverty is not a bar to happiness.
Descend on (আক্রমণ করা): Armed thieves descended on the helpless girl.
Destitute of (নিঃস্ব; বিবর্জিত): He is destitute of any friend here.
Heir of (উত্তরাধিকারী): He is the heir of his father.
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Idioms
At the top of (শীর্ষে): The boy shouted at the top of his voice.
At random (indiscriminately—এলোপাথাড়ি-adv.) He talks at random like a mad man.
As a whole (মোটের উপর, সম্পূর্ন এক মনে করে-adv.) Look at life as a whole and you will see that it is meaningful.
In full swing (পুরোদমে): The school is in full swing after the vacation.
Speed money (ঘুষ; উৎকোচ): He hankers after speed money.