In the first instance : প্রথমত; প্রথম অবস্থায়;
Related Words
in the first instance  See Words Also In
1.Google-Translator 2.Dictionary.com 3.Merriam-Webster 4.Wikipedia 5.Thesaurus.com
Appropriate Prepositions
Agree to(ব্যক্তি ছাড়া অন্যকিছুর সাথে একমত হওয়া): We cannot agree to your proposal.
Convinced of (আশ্বস্ত): You are convinced of his product.
Make of (কোনো উপকরণ দ্বারা সরাসরি তৈরী বোঝাতে): This necklace is made of gold.
Quick at (চটপটে): A cashier must be quick at figures.
Stare at (চাওয়া বা তাকানো): He stares at me.
Browse All Appropriate Prepositions
Idioms
All along - (সব সময়): I was present in the meeting all along.
Make head or tail – (মাথামুন্ডু বুঝা) – I cannot make head or tail of what you say.
On the whole (মোটের ওপর): On the whole, his conduct is good.
Round the clock (সমস্ত দিন): He is working round the clock.
Through and through (পুঙ্খানুপুঙ্খু রুপে)- He read the poem through and through.