অনুসন্ধান করুন
অভিধানের ভাষা নির্বাচন করুন
to be one's department
01
to be responsible for something, showing a sense of authority in that area
উদাহরণ
Isn't handling customer inquiries your department, Chris?
02
to know a lot about something, indicating a sense of expertise in the matter
উদাহরণ
I can look into it, but legal matters are not exactly my department.
