《资治通鉴·宋纪·宋纪五》
五月，癸巳，刘湛因母亲去世，按礼制离职回家守丧。
五月，癸巳，刘湛遭母忧去职。
In May, on the Gui Si day, Liu Zhan quit his job and returned home to mourn because his mother passed away.
<s>[INST] Provide a modern Chinese interpretation of the following Classical Chinese passage: 五月，癸巳，刘湛遭母忧去职。 [/INST] 五月，癸巳，刘湛因母亲去世，按礼制离职回家守丧。</s>
Provide a modern Chinese interpretation of the following Classical Chinese passage: 五月，癸巳，刘湛遭母忧去职。
user
五月，癸巳，刘湛因母亲去世，按礼制离职回家守丧。
assistant