Coupling : (যন্ত্রের বা রেল কামরার) সংযোজক;
Related Words
cabling  cablings  cobbling  coupling  couplings  cufflink  See Words Also In
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Appropriate Prepositions
Add to (বৃদ্ধি করা, যোগ করা): The doll-dance in the exhibition added to our pleasure.
Cope with(সামলানো বা পেরে উঠা): They cannot cope with the situation.
Depend on (নির্ভর করা): Presently, the students depend on/upon guide books.
Fail in (ব্যর্থ হওয়া): He failed in getting internet connection in his room.
Search for (সন্ধান করা): The police searched the halls of residence for arms.
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Idioms
At random (indiscriminately—এলোপাথাড়ি-adv.) He talks at random like a mad man.
Gala day (বিশেষ দিন): The Eid–Ul-Fitr is a gala day for Muslims.
Part and parcel (অবিচ্ছেদ্য অংশ): Education is part and parcel to build a civilized nation.
Scapegoat (উদোর পিন্ডি বুধোর ঘাড়ে)—He was made scapegoat of the incident.
To the letter (in all details, অক্ষরে অক্ষরে) —Follow my advice to the letter.