她是一位能激励学生的（胜任的）老师。

She is a ___competent teacher who inspires her students.

他不是明星员工，但完全能胜任工作。

He's not a star employee, but he's perfectly ___competent at his job.

这个培训课程旨在让你成为（熟练的）软件使用者。

This training program is designed to make you a ___competent user of the software.