R-10：run somebody ragged 过度劳累使某人精疲力竭
A:What kind of job has your wife ever had?
A:你妻子以前做过什么工作？
B:She used to work as a teacher.
B：她过去是一位教师。
A:How did she like her job?
A:她以为她的工作怎么样？
B:She loved children and her job. But it really ran her ragged sometimes.
B:她非常爱孩子和她的工作，但那确实使她太劳累了。
