她作为一名教师的能力是毋庸置疑的。

Her ___competence as a teacher is unquestionable.

他报名参加了一个课程来提高他的西班牙语能力。

He enrolled in a course to improve his ___competence in Spanish.

这份工作需要高水平的技术能力。

The job requires a high level of technical ___competence.