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
Breakdown of (বিস্তারিত): Here is statistical breakdown of data.
Consistent with(সামঞ্জস্যপূর্ণ): Your action is not consistent with your word.
Devote to (উৎসর্গ করা/নিয়োজিত করা): Students should devote sufficient time to their studies.
Inferior to (নীচু/হীন): He is inferior to his neighbor.
Stick to (দৃঢ়ভাবে লেগে থাকা): We should always stick to our decisions.
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Idioms
For good (চিরদিনের জন্য): He left the house for good.
Gain Ground (সুবিধা পাওয়া): The wise are said to gain the ground in the long run.
Out of date (সেকেলে): This fashion is out of date.
Pandora’s box (আপাতঃ দৃষ্টিতে ভালো মনে হলেও আসলে ভালো নয়)—His words proved to be Pandora’s box.
Up and doing (উদ্যোগী): Be up and doing and then you will succeed in your life.