技师是有专门技术的人，比如修机器、开机器或者做技术工作的人。

A 技师 is a person with specialized skills, such as repairing machines, operating machines, or doing technical work.

我们常说汽车技师、医疗技师，他们都需要学习很多技术。

We often say car 技师 or medical 技师; they all need to learn many skills.