Archaean : প্রাচীনতম ভূতাত্ত্বিক যুগ;
Related Words
arcana  arcane  arcanum  arch angel  arch enemy  arch-enemy  archaean  archaism  archangel  archangels  archenemy  archimedean  See Words Also In
1.Google-Translator 2.Dictionary.com 3.Merriam-Webster 4.Wikipedia 5.Thesaurus.com
Appropriate Prepositions
Associate with, in(জড়িত হওয়া): This man was associated with crime.
Count upon(নির্ভর করা): He always counts upon your help for this work.
Curse for (অভিশাপ দেয়া): If he ever mistreats my parents, I will certainly curse him for it.
Damage to (ক্ষতি): The flood caused much damage to crops last year.
Descend on (আক্রমণ করা): Armed thieves descended on the helpless girl.
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Idioms
Brown study (দিবাস্বপ্ন): The girl is absorbed in a brown study.
Bad book (disfavour-খারাপ নজর —n) The secretary has fallen in the bad book of the manager.
Carry the day (জয়লাভ করা) The boys carried the day in the debate competition.
Easy and free (অমায়িক): The boy is easy and free, so he has many friends.
Turn over a new leaf (begin a new phase of life, নবজীবন শুরু করা) —After his failure he turned over a new leaf.