Keep mum : চুপ করে থাকা; নীরব থাকা; মৌন থাকা;
Related Words
keep in  keep mum  keep on  See Words Also In
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Appropriate Prepositions
Adequate to(সমানুপাতিক): The salary, he gets, is not adequate to the volume of work he has to do.
Change into (পরিবর্তিত হওয়া): At what point does boiling water change into vapor.
Rebel against (বিদ্রোহ করা): The soldiers rebelled against the king.
Run into (জড়িয়ে পড়া): He had run into debt.
Suffer from (অসুখে ভোগা, কষ্ট পাওয়া): He has been suffering from fever for last three days.
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Idioms
On the wane (হ্রাসমান): His fame is on the wane now.
Out of sorts (সামান্য অসুস্থ): The baby is out of sorts after playing.
Safe and sound (নিরাপদে)— He reached home safe and sound.
Take one to task (rebuke, তিরস্কার করা)— He took me to task for negligence of duty.
Weal and woe (সুখ-দুঃখ): Human life is full of weal and woe.