《明史·列传·卷四十五》
他任尚书九年，多次上疏请求退休，过了好久才得到批准。
为尚书九载，屡疏乞休。久之乃得请。
He served as the Minister of Justice for nine years and repeatedly submitted memorials requesting to retire. It was a long time before he was granted approval.
<s>[INST] Kindly elucidate the central themes in this passage in English: 为尚书九载，屡疏乞休。久之乃得请。 [/INST] He served as the Minister of Justice for nine years and repeatedly submitted memorials requesting to retire. It was a long time before he was granted approval.</s>
Kindly elucidate the central themes in this passage in English: 为尚书九载，屡疏乞休。久之乃得请。
user
He served as the Minister of Justice for nine years and repeatedly submitted memorials requesting to retire. It was a long time before he was granted approval.
assistant