《后汉书·列传·逸民列传》
于是就随意行动，与好友北海禽庆一道游五岳名山，最后不知所终。
于是遂肆意，与同好北海禽庆俱游五岳名山，竟不知所终。
So he traveled freely with his friend Beihai Qinquan to visit the five famous mountains and finally disappeared.
<s>[INST] Provide a modern Chinese interpretation of the following Classical Chinese passage: 于是遂肆意，与同好北海禽庆俱游五岳名山，竟不知所终。 [/INST] 于是就随意行动，与好友北海禽庆一道游五岳名山，最后不知所终。</s>
Provide a modern Chinese interpretation of the following Classical Chinese passage: 于是遂肆意，与同好北海禽庆俱游五岳名山，竟不知所终。
user
于是就随意行动，与好友北海禽庆一道游五岳名山，最后不知所终。
assistant