Firstly : প্রথমত;
Related Words
firstling  firstly  forestall  See Words Also In
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Appropriate Prepositions
Abound with(ছেয়ে থাকা): They live in a region that abounds with oil.
Grasp at (আঁকড়িয়ে ধরা): He grasped me at my hand.
Rebel against (বিদ্রোহ করা): The soldiers rebelled against the king.
Recover from (সুস্থ হওয়া; পূর্ব অবস্থায় ফিরে আসা): The patient has not yet recovered from his severe illness.
Relevant to (প্রাসঙ্গিক): Your answer is not exactly relevant to my question.
Browse All Appropriate Prepositions
Idioms
Backstairs influence (secret and illegal influence- গোপন এবং বে আইনী প্রভাব-n) He did not deseve the job, however, he got it by backstairs influence.
Moot point (অমীমাংসিত বিষয়): Dowry system is still a moot point in Bangladesh.
Run high (বেড়ে যাওয়া) —The price of everything has run high.
Well up (সুপন্ডিত)- Dr. Shahidullah was well-up in Bengali language.
With a lavish hand (মুক্ত হস্তে)— Give away something with a lavish hand.