Once upon a time : এককালে; একদা; পূর্বে কোন একসময়ে;
Related Words
once upon a time  See Words Also In
1.Google-Translator 2.Dictionary.com 3.Merriam-Webster 4.Wikipedia 5.Thesaurus.com
Appropriate Prepositions
Busy with(ব্যস্ত থাকা): Rahim is now busy with her homework.
Conscious of(সচেতন): I am conscious of my deficiencies.
Curse for (অভিশাপ দেয়া): If he ever mistreats my parents, I will certainly curse him for it.
Hanker after (আকাঙ্ক্ষা/লোভ করা): He hankers after riches.
Loyal to (অনুগত): Every citizen must be loyal to the state.
Browse All Appropriate Prepositions
Idioms
ABC - (প্রাথমিক জ্ঞান): I don't know the ABC of politics.
At one’s elbow (near at hand — হাতের কাছে – adv.) His private secretary is always at his elbow.
From hand to mouth (দিন আনে দিন খায়): The poor man live from hand to mouth.
Lose heart (হতাশ হওয়া) — Do not lose heart in danger.
Slow coach (অলস): You cannot expect much from a slow coach.