《宋书·列传·卷七十五》
等到只当护军将军，王僧达非常不高兴，于是他请调任徐州当刺史，写了一篇上奏，说：
及为护军，不得志，乃启求徐州，曰：
When he was only appointed as the protector general, Wang Sengda was very unhappy, so he asked to be transferred to Xuzhou as a governor, and wrote a memorial saying:
<s>[INST] Kindly elucidate the central themes in this passage in English: 及为护军，不得志，乃启求徐州，曰： [/INST] When he was only appointed as the protector general, Wang Sengda was very unhappy, so he asked to be transferred to Xuzhou as a governor, and wrote a memorial saying:</s>
Kindly elucidate the central themes in this passage in English: 及为护军，不得志，乃启求徐州，曰：
user
When he was only appointed as the protector general, Wang Sengda was very unhappy, so he asked to be transferred to Xuzhou as a governor, and wrote a memorial saying:
assistant