《宋史·列传·卷一百九十八》
宋白年老体弱行动不便，在上朝时足跌坏。
白羸老步梗，就班足跌。
Song Bai was getting old and weak and had difficulty in walking. He fell and injured his foot on his way to the court.
<s>[INST] Kindly elucidate the central themes in this passage in English: 白羸老步梗，就班足跌。 [/INST] Song Bai was getting old and weak and had difficulty in walking. He fell and injured his foot on his way to the court.</s>
Kindly elucidate the central themes in this passage in English: 白羸老步梗，就班足跌。
user
Song Bai was getting old and weak and had difficulty in walking. He fell and injured his foot on his way to the court.
assistant