it is 4 years since he was a teacher
他已经4年没当教师了
双语对照
例句:
1.
It's three years since he was a teacher.
他不当教师已经三年了。
2.
It has been ten years since he were a teacher.
他已经有十年不当老师了
it is 4 years since he was a teacher
他已经4年没当教师了
双语对照
例句:
1.
It's three years since he was a teacher.
他不当教师已经三年了。
2.
It has been ten years since he were a teacher.
他已经有十年不当老师了