A white elephant : অত্যন্ত ব্যয়সাপেক্ষ বিলাসিতা;
Related Words
a white elephant  awhiteelephant  See Words Also In
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Appropriate Prepositions
Admit to(ভর্তি করা): The boy was admitted to class Nine.
Conform to (নিয়মনীতি অনুসরণ করা): The employees have to conform to a strict dress code.
Creep up (বৃদ্ধি পাওয়া): The prices of are creeping up day by day.
Destitute of (নিঃস্ব; বিবর্জিত): He is destitute of any friend here.
Work for (কারো জন্য কাজ করা): She works for a construction company.
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Idioms
At the latest (খুব বেশি দেরী হলে) He will arrive here at 5 p. m. at the latest.
Brown study (day dream-দিবাস্বপ্ন -n) The woman is absorbed in a brown study.
In vogue (চালু): This custom is not in vogue at present.
Turn a deaf ear to (pay no attention, প্রত্যাখান করা) —He turned a deaf ear to my proposal.
Upper hand (প্রাধান্য) - He got the upper hand in the selection.