A trained aide who assists a professional person (as a teacher or physician).

专业人员助手(受聘协助专业人员工作的人，如教学、护理、社会工作等；未经过彻底专门训练的助手或助理)。

Acting as a paraprofessional; being an aide or assistant to professionals.

辅助专业人员的；作专业人员助手的。