জ্যোতির্বিৎ: [Noun] Astrologer; astronomer :-[adjective] versed in astrology or astronomy.
Related Words
জ্যোতির্বিদ  জ্যোতির্বিৎ  জ্যোতির্ময়  জ্যোতির্ময়  জ্যোতির্ময়ী  জ্যোতিষ্মতী  জ্যোতিষ্মান  See Words Also In
1.Google-Translator 2.Wikipedia 3.Wiktionary.org
Appropriate Prepositions
Alarm at, by, for(আশংকা করা/শঙ্কিত হওয়া): I was not alarmed at/by the news, but I was alarmed for their safety.
Compete with(প্রতিযোগিতা করা): He does not pke to compete with
Loyal to (অনুগত): Every citizen must be loyal to the state.
Rebel against (বিদ্রোহ করা): The soldiers rebelled against the king.
Relevant to (প্রাসঙ্গিক): Your answer is not exactly relevant to my question.
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Idioms
At ease (in peace or pleasure – শান্তিতে বা আরামে) A man who has enemies can not live at ease.
Nip in the bud (অঙ্কুরে বিনষ্ট হওয়া): All his hopes were nipped in the bud.
Sheet anchor (শেষ আশ্রয়; প্রধান অবলম্বন; আসল খুঁটি)— This small piece of land is his sheet anchor.
Tooth and nail (তীব্রভাবে): He fought tooth and nail for the sake of country.
Well up (সুপন্ডিত)- Dr. Shahidullah was well-up in Bengali language.