Coupling : (যন্ত্রের বা রেল কামরার) সংযোজক;
Related Words
cabling  cablings  cobbling  coupling  couplings  cufflink  See Words Also In
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Appropriate Prepositions
Beg for(অনুরোধ করা): Maria begged the Superintendent for a seat in the school hostel.
Convinced of (আশ্বস্ত): You are convinced of his product.
Descend on (আক্রমণ করা): Armed thieves descended on the helpless girl.
Guilty of (অপরাধী/দোষী): The convict was guilty of murder.
Look over (পরীক্ষা করা): He was looking over the answer scripts.
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Idioms
Bad book (disfavour-খারাপ নজর —n) The secretary has fallen in the bad book of the manager.
Gala day (বিশেষ দিন): The Eid–Ul-Fitr is a gala day for Muslims.
In a fix (মুশকিলে পতিত হওয়া): The man is in a fix with his new hairstyle.
Maiden speech (প্রথম বক্তৃতা): His maiden speech fell flat on the audience.
Three R's (প্রাথমিক শিক্ষা)— He has not yet learnt the three R's.