At first : প্রথমে; আগে; গোড়ায়; গোড়াগুড়ি; অগ্রে; পহিলহি; পহেলা; আগুতে; আদৌ; আগেভাগে; প্রথমত;
Related Words
at first  at first sight  atfirst  See Words Also In
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Appropriate Prepositions
Call in(ডাকিয়া আনা): They called in a doctor.
Caution against(সাবধান): Take all cautions against the danger.
Charge with(অভিযুক্ত করা): He is charged with killing.
Guilty of (অপরাধী/দোষী): The convict was guilty of murder.
Object to (আপত্তি করা): He objected to my proposal.
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Idioms
At home (comfortable— আরাম) He feels at home in Dhaka now.
At a low ebb (in an unfavorable situation প্রতিকুল অবস্থায়, ভাটির মুখে) The popularity of this singer is now at a low ebb.
At liberty (free-মুক্ত-adj.) They are at liberty to go anywhere.
As a whole (মোটের উপর, সম্পূর্ন এক মনে করে-adv.) Look at life as a whole and you will see that it is meaningful.
Take one to task (rebuke, তিরস্কার করা)— He took me to task for negligence of duty.