《旧唐书·本纪·卷十八》
退休离任的太子太师郑覃去世。
太子太师致仕郑覃卒。
Prince Imperial's former grand tutor Zheng Yin passed away after retiring from public service.
<s>[INST] Convert the following English text into Classical Chinese: Prince Imperial's former grand tutor Zheng Yin passed away after retiring from public service. [/INST] 太子太师致仕郑覃卒。</s>
Convert the following English text into Classical Chinese: Prince Imperial's former grand tutor Zheng Yin passed away after retiring from public service.
user
太子太师致仕郑覃卒。
assistant