Purify : পবিত্র করা শোধন করা;
Related Words
privy  purify  purvey  purview  See Words Also In
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Appropriate Prepositions
Beg for(অনুরোধ করা): Maria begged the Superintendent for a seat in the school hostel.
Control over(নিয়ন্ত্রণ): He has no control over his sons.
Delegate to (প্রতিনিধি): Nazrul welcomed the delegates to the new conference.
Married to (বিবাহিত): Salma was married to a Govt. Officer.
Relevant to (প্রাসঙ্গিক): Your answer is not exactly relevant to my question.
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Idioms
All at once - (হঠাৎ): I feel terribly sleepy all at once.
At all (in the least degree – মোটেও না) There is no water at all in the pond.
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?
White elephant (অত্যন্ত ব্যয়সাপেক্ষ বিলাসিতা): At last the department proved to be a white elephant.