Complaint officer : অভিযোগ অফিসার;
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Appropriate Prepositions
Abide by(মেনে চলা): We must abide by the rules of discipline.
Care of(যত্ন নেওয়া): You should take care of your health.
Make up of (গঠিত): Village is made up of many homes.
Play on (বাজানো): They play on the piano.
Stick to (দৃঢ়ভাবে লেগে থাকা): We should always stick to our decisions.
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Idioms
In one’s teens (তের থেকে উনিশ বছর বয়সের মাঝে): She is yet in her teens.
Lion’s share (বড় মাপের অংশ): He took the lion’s share of the profit.
Laughing stock (হাসির পাত্র)— He is a laughing stock to all.
Nip in the bud (অঙ্কুরে বিনষ্ট হওয়া): All his hopes were nipped in the bud.
White elephant (অত্যন্ত ব্যয়সাপেক্ষ বিলাসিতা): At last the department proved to be a white elephant.