Translation guide
A single person or thing serving two functions or playing two parts. In Japanese, this is often expressed with compound nouns, set phrases, or descriptive clauses.
Describing a person who simultaneously holds two jobs, titles, or responsibilities.
The most common and neutral way to say someone holds two positions concurrently, often used in professional contexts.
He holds the dual role of president and chairman.
Literally 'to perform two roles', often used when someone skillfully handles two different functions, especially in performance or work.
She played the dual role of director and lead actor.
An idiomatic expression meaning 'to wear two pairs of straw sandals', i.e., to hold two jobs or engage in two professions simultaneously. Often used for side businesses or dual careers.
He works a dual role as an office worker and a writer.
Describing an object, space, or system that serves two purposes.
A versatile pattern meaning 'to also serve as'. Attach to a noun to indicate something has a secondary function.
This room serves the dual role of a study.
The sofa doubles as a bed.
A noun meaning 'dual use' or 'combined use', often used in compounds like 兼用タイプ (dual-purpose type).
Literally 'two roles', can be used for objects that perform two functions, though more common for people.
Describing an actor who plays two characters in the same production.
兼任 (けんにん) is used for people holding multiple positions, while 兼用 (けんよう) is used for objects or spaces serving multiple purposes. Do not mix them up.
He holds the dual role of sales and accounting.
This bag serves the dual role of a backpack.
The direct translation '二重の役割' (にじゅうのやくわり) is understandable but sounds unnatural. Use the expressions above instead.
この机は食卓兼用です。
This desk serves the dual role of a dining table.
This tool performs a dual role.