《梁书·列传·卷二十一》
遇父亲去世，服丧恪尽礼仪。
丁父忧，居丧尽礼。
When his father died, he mourned him with the utmost observance of the rules.
<s>[INST] Convert the following English text into Classical Chinese: When his father died, he mourned him with the utmost observance of the rules. [/INST] 丁父忧，居丧尽礼。</s>
Convert the following English text into Classical Chinese: When his father died, he mourned him with the utmost observance of the rules.
user
丁父忧，居丧尽礼。
assistant