Couplings : সংযোজন; সংযোগ;
Related Words
cabling  cablings  chaplains  cobbling  coupling  couplings  cufflinks  See Words Also In
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Appropriate Prepositions
Ask for (কোনো কিছু চাওয়া): Do not ask him for any help because he doesn’t like to help anyone.
Concerned with(জড়িত): She was concerned with such things.
Contemporary of (সমসাময়িক): William Wordsworth was a contemporary for greater efficiency.
Monument to (স্মৃতিসৌধ): The monument to your right is a popular tourist attraction.
Repent of (অনুতাপ করা): I repented of my past.
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Idioms
At a round rate (at the fixed price – নির্ধারিত মূল্যে) Things are selling in the shop at a round rate.
At dead of night (গভীর রাতে) The police caught the thief at dead of night.
Bear in mind (মনে রাখা): Always bear in mind that you are a daughter of a reputed person.
Of course (অবশ্যই): Of course, you know what that meant.
Up to (পর্যন্ত) - I have done the exercises up to page 40.