《宋史·列传·卷一百五十二》
他七岁时父亲去世了，彭龟年很孝顺地侍奉母亲。
七岁而孤，事母尽孝。
When he was seven, his father passed away. Peng Guinian looked after his mother very filially.
<s>[INST] Convert the following modern Chinese text into Classical Chinese: 他七岁时父亲去世了，彭龟年很孝顺地侍奉母亲。 [/INST] 七岁而孤，事母尽孝。</s>
Convert the following modern Chinese text into Classical Chinese: 他七岁时父亲去世了，彭龟年很孝顺地侍奉母亲。
user
七岁而孤，事母尽孝。
assistant