Under cover : গুপ্তচর; চোরাগোপ্তা; গোপন; গুপ্ত; গুপ্তচরবৃত্তিতে নিযুক্ত;
Related Words
under cover  undercover  See Words Also In
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Appropriate Prepositions
Attend on/upon (সেবা করা): We should attend on/upon the ailing patient.
Consistent with(সামঞ্জস্যপূর্ণ): Your action is not consistent with your word.
Due to (কারণে): His absence is due to illness.
Inquire for (দেখা করতে চাওয়া): He inquires for the manager.
Look at (তাকানো): Students look at the blackboard.
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Idioms
Far and wide (সর্বত্র): His fame spread far and wide.
Irony of fate (ভাগ্যের পরিহাস): He could not succeed by irony of fate.
Laughing stock (হাসির পাত্র)— He is a laughing stock to all.
Red letter day (স্মরণীয় দিন): The 16th December is a red letter day for us.
Up to (পর্যন্ত) - I have done the exercises up to page 40.