semi-professional
adjective uk/ˌsem.i.prəˈfeʃ.ən.əl/ us/ˌsem.i.prəˈfeʃ.ən.əl/
半职业的
People who are semi-professional are paid for an activity that they take part in but do not do all the time.
semi-professional musicians/athletes 半职业的音乐家／运动员