Unfold : ভাঁজ খোলা বা উদঘাটিত করা;
Related Words
un fold  unboiled  unbolt  unbolted  unfelt  unfiltered  unfledged  unfold  unfolded  unfolding  unfolds  unpolluted  See Words Also In
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Appropriate Prepositions
Abhorrence of (ঘৃণা): Everyone should have abhorrence of a par.
Annoyed for(কোনো কারনে বিরক্ত হওয়া): The officer was annoyed with the clerk for being late.
Congratulate on(অভিনন্দন জানানো): They congratulated me on my brilliant success.
Convinced of (আশ্বস্ত): You are convinced of his product.
Count on/upon (নির্ভর, বিশ্বাস করা): Rahim count on (upon) my help.
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Idioms
At a snail's pace (very slowly – খুব ধীর গতিতে) The economy of Bangladesh is growing at a snail’s pace.
At all (in the least degree – মোটেও না) There is no water at all in the pond.
Bad book (disfavour-খারাপ নজর —n) The secretary has fallen in the bad book of the manager.
Take one to task (rebuke, তিরস্কার করা)— He took me to task for negligence of duty.
To the contrary (against what some one had said, পক্ষান্তরে) —He said nothing to the contrary.