She's unable to speak except to hint at a doctrine of virginity the Lady does by the end of the poem get up from her seat.

她无法说话，除了暗示一个贞操的学说,小姐在诗的最后确实从凳子上站起来了。

耶鲁公开课 - 弥尔顿课程节选

so she can have time to practice before her kids get up,

这样她就可以在孩子们起床之前抽时间练习。

和钢琴老师 - SpeakingMax英语口语达人