(of a person) doing something as a hobby or to help someone, not as a paid job

The director liked to use nonprofessional actors in her films.

Most people who play the game are nonprofessional. 大多数玩这个游戏的人都是非职业的。

(of work) not needing special training or education

Many graduates work in nonprofessional jobs for a while after leaving university.

He advised me not to take on a non-professional job. 他建议我不要从事非专业性的工作。

having the type of job that does not involve a high level of education and training

A teacher can earn a lot more than most nonprofessional workers. 教师的收入比大多数非专业工作者要多得多。

Most of our students come from non-professional families.

a person who does something as a hobby or to help someone, rather than as a job that they have been trained for or are paid to do

Her books are popular with both scientists and nonprofessionals.

He did remarkably well for a non-professional. 作为一名非专业人士，他表现得非常出色。