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
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Appropriate Prepositions
Argue with, about(কথা কাটাকাটি করা): They always argue with me about tiny matter.
Associate with, in(জড়িত হওয়া): This man was associated with crime.
Grateful to (কৃতজ্ঞ): We should be grateful to our teachers.
Search for (সন্ধান করা): The police searched the halls of residence for arms.
Stare at (চাওয়া বা তাকানো): He stares at me.
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Idioms
At the top of (শীর্ষে): The boy shouted at the top of his voice.
Backstairs influence (secret and illegal influence- গোপন এবং বে আইনী প্রভাব-n) He did not deseve the job, however, he got it by backstairs influence.
Now and then (মাঝে মাঝে): He comes here now and then.
To play on a fiddle (অনর্থক সময় নষ্ট করা - To waste time)-He played on a fiddle by nature.
Silver living (hope- আশা বা ভালো দিক): Every cloud has a silver lining.