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
Antipathy to/towards (ঘৃনা): I have a strong antipathy to smoking.
Cause of(কারণ): Industry is the cause of your success.
Grateful to (কৃতজ্ঞ): We should be grateful to our teachers.
Indispensable to (অত্যাবশ্যকীয়): Your help is indispensable to him.
Repent of (অনুতাপ করা): I repented of my past.
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Idioms
At least (in the lowest estimate- কমপক্ষে) He is the owner of thirty lakh taka at least.
Bad book (disfavour-খারাপ নজর —n) The secretary has fallen in the bad book of the manager.
Pass away (মারা যাওয়া)— He passed away last night.
See to (বিবেচনা করা)— Can you see to it that everyone gets a copy of this memo?
Well-to-do (সঙ্গতিপূর্ণ) - He was not born in a well-to-do family.