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
Agree to(ব্যক্তি ছাড়া অন্যকিছুর সাথে একমত হওয়া): We cannot agree to your proposal.
Arrange for(ব্যবস্থা করা): We have arranged everything for our study tour.
Object to (আপত্তি করা): He objected to my proposal.
Run after (পশ্চাদানুসরণ করা): Do not run after money.
Stare at (চাওয়া বা তাকানো): He stares at me.
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Idioms
At the latest (খুব বেশি দেরী হলে) He will arrive here at 5 p. m. at the latest.
In no time (শীঘ্র): He will finish the work in no time.
Read between the lines (understand the significance, অন্তনিহিত অর্থ বুঝা) Try to read between the lines of the letter.
To the utmost (যথাসাধ্য) - I tried to the utmost of my ability to have a job.
Take into account (বিবেচনা করা): Your activities should be taken into account.