She thought about retiring, but she finally decided to stay on for a few more years.她想过要退休，但最终决定再干几年。

After she graduated, she stayed on at the college, working in the alumnae office.她毕业后留在大学工作，在校友办公室上班。

I have to stay on the antibiotics for a full two weeks.我得继续吃整整两个星期的抗生素。