Translation guide
Expressing that one person or thing serves two functions, plays two parts, or holds two positions simultaneously.
Describing an actor who plays two characters in a play, film, etc.
Describing a person who serves in two different jobs, posts, or capacities at the same time.
Describing an object, tool, or system that has two functions.
Literally 'to handle two roles'. Used for objects that perform two functions well.
Literally 'one person, two roles'. The standard term for a single actor playing two parts.
He played a double role in that play.
A more general way to say 'play two roles'. Can be used when the subject is not necessarily one person, but often implies it.
The lead actress is playing a double role.
Holding two posts concurrently. Commonly used in professional contexts.
He holds the double role of president and chairman.
A more flexible phrase meaning 'to carry two roles'. Suitable for less formal or broader contexts.
She plays the double role of mother and teacher.
Similar to 兼任 but often used for official duties or positions within an organization.
I hold the double role of general affairs and accounting.
This sofa doubles as a bed, serving a double role.
Dual-purpose; used for items designed to serve two functions.
I bought a printer that serves a double role (printing and scanning).