Sound wave : শব্দ-তরঙ্গ;
Related Words
sound box sound effects sound off sound wave sound-waveSee Words Also In
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Appropriate Prepositions
Anxious about (কোনো কিছুর ব্যাপারে চিন্তিত বা উদ্বিগ্ন): Karim is anxious about his father’s death. Karim is anxious for getting a job.
Astonished at(বিস্ময়-বিহবল হওয়া): We were astonished at his unexpected success.
Caution against(সাবধান): Take all cautions against the danger.
Derive from (উৎসারিত হওয়া): The one has been derived from the poem.
Faithful to (বিশ্বস্ত): The dog is very faithful to its master.
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Idioms
At least (in the lowest estimate- কমপক্ষে) He is the owner of thirty lakh taka at least.
Brown study (day dream-দিবাস্বপ্ন -n) The woman is absorbed in a brown study.
Lose heart (হতাশ হওয়া) — Do not lose heart in danger.
Put the cart before the horse (to reverse the natural order of things-কোনো জিনিসের স্বাভাবিক ক্রমকে পাল্টে দেয়া) - The leader put the cart before the horse.
Up and doing (উদ্যোগী): Be up and doing and then you will succeed in your life.