Under cover : গুপ্তচর; চোরাগোপ্তা; গোপন; গুপ্ত; গুপ্তচরবৃত্তিতে নিযুক্ত;
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Appropriate Prepositions
Born of(জন্মগ্রহণ করা): I was born of a middle class family.
Guess at (অনুমান করা): It is difficult to guess at the age of women.
Informed of (অবহিত): I was not informed of your misfortune.
Qualified for (যোগ্য প্রতিপন্ন হওয়া): No candidate was properly qualified for the post.
Run into (জড়িয়ে পড়া): He had run into debt.
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Idioms
At one’s elbow (near at hand — হাতের কাছে – adv.) His private secretary is always at his elbow.
Bare word (শুধু মুখের কথা, স্বাক্ষী প্রমানহীন কথা-n) He believed your bare word and now he has been played false with.
Crocodile tears (মায়াকান্না): He shed crocodile tears at our misery.
Cut a sorry figure (খারাপ ফল করা): He cuts a sorry figure in the examination.
Look into something (তদন্ত করা- investigate) - The manager looked into the matter.