A white elephant : অত্যন্ত ব্যয়সাপেক্ষ বিলাসিতা;
Related Words
a white elephant  awhiteelephant  See Words Also In
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Appropriate Prepositions
Angry with(কারো সাথে ক্রুদ্ধ হওয়া): The teacher was very angry with the students.
Call on(কারও সাথে দেখা করা): I called on him in his office.
Hunger for (আকাঙ্কা): The teacher has a great hunger for knowledge.
Look up (ডিকশনারি থেকে শব্দার্থ খোঁজা): He is looking up a new word meaning from dictionary.
Taste of (স্বাদ; অভিজ্ঞতা): They have had some taste of problems.
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Idioms
A bed of roses - (সুখকর অবস্থা): Life is not a bed of roses.
All at once - (হঠাৎ): I feel terribly sleepy all at once.
As a whole (মোটের উপর, সম্পূর্ন এক মনে করে-adv.) Look at life as a whole and you will see that it is meaningful.
Beggar description - (অবর্ণনীয় হওয়া): The distress of the Muslims in Bosnia beggars description.
Out of temper (ক্রুদ্ধ): The teacher is out temper to see the overall results.