to have the qualities and abilities needed for sth 具有所需素质及才能;是…的材料

He’s not cut out for teaching.
他不适于做教学工作。

He’s not cut out to be a teacher.
他不是当教师的材料。

Why do you think that you’re cut out for this job? [=why would you be good at this job?]
你为什么认为自己适合做这项工作?
I’m really not cut out for this kind of work. [=I’m not naturally good at it]
我根本就不是做这类工作的料。
He’s not cut out to be a teacher. = He’s not cut out to teach.
他不是做老师的料。