On time : একদা; একবার;
Related Words
on time  one time  one-time  onetime  ontime  See Words Also In
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Appropriate Prepositions
Argue over (কোন বিষয়ে তর্ক করা): The kids are arguing over which TV program to watch.
Call in(ডাকিয়া আনা): They called in a doctor.
Cast aside (ছুঁড়ে ফেলা): As soon as they become rich they cast aside their poor friends.
Indebted to (ঋণী থাকা): We are indebted to the great leaders of the country for their service.
Object to (আপত্তি করা): He objected to my proposal.
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Idioms
At every step (প্রতি পদে পদে): There are dangers at every step in our life and yet we want to live.
At one’s elbow (near at hand — হাতের কাছে – adv.) His private secretary is always at his elbow.
Nip in the bud (অঙ্কুরে বিনষ্ট হওয়া): All his hopes were nipped in the bud.
Swan-song (অন্তিম গীত, শেষ কর্ম): This writing is the swan song of Kazi Nazrul islam.
Through thick and thin (through all difficulties, সমস্ত সমস্যার মধ্যে)-Ruma followed her husband through thick and thin.