an unidentified but informed source
অজ্ঞাত কিন্তু নির্ভরযোগ্য সূত্র
"A source close to the matter confirmed the rumor."
"একটি নির্ভরযোগ্য সূত্র গুজবটি নিশ্চিত করেছে।"
to establish a rule or principle
to be very expensive
to achieve great success or gain a lot of money
to take responsibility by showing your support or opinion op...
to trust someone completely
behind the surface; the underlying mechanism or system