Unbolt : খিল খোলা, খোলা, বন্ধনমুক্ত করা;
Related Words
un fold  unboiled  unbolt  unbolted  unfelt  unfold  unfolds  unpolluted  See Words Also In
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Appropriate Prepositions
Adequate to(সমানুপাতিক): The salary, he gets, is not adequate to the volume of work he has to do.
Antipathy to/towards (ঘৃনা): I have a strong antipathy to smoking.
Desire for (আকাঙ্ক্ষা করা): He has no desire for money.
Dull at (অপ্টু/কাঁচা): He is dull at mathematics.
Plead for (ওকালতি করা): He pleads for justice.
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Idioms
Lame excuse (বাজে ওজর): The lame excuse will not do.
Pass away (মারা যাওয়া)— He passed away last night.
Sheet anchor (শেষ আশ্রয়; প্রধান অবলম্বন; আসল খুঁটি)— This small piece of land is his sheet anchor.
Swan-song (অন্তিম গীত, শেষ কর্ম): This writing is the swan song of Kazi Nazrul islam.
Three score (ষাট): He is happy as his brother got three score.