My son is working as a teacher.

我的儿子是当老师的。

She spent most of her working life as a teacher.

她一生中大部分工作时间都当教师。

As a teacher, she had a reputation for eccentricity.

她是位教师，以行为古怪而出名。

He started life as a teacher before turning to journalism.

他开始当过教师，后来改行搞起了新闻。

She shines as a teacher.

她当教师很出色。