education for workers, farmers, and officials that primarily takes place during their leisure or off-duty hours, such as evening classes; it is a key component of the Chinese educational system

A college or university for working people that offers higher education courses held outside of working hours; often abbreviated as [[业大|業大|ye4 da4]]

an activity done regularly in one's leisure time for pleasure; part-time hobby

a person who engages in a pursuit on an unpaid rather than a professional basis; hobbyist; dilettante

A person who engages in a pursuit on an unpaid rather than a professional basis; non-professional