《北史·列传·卷十七》
当他被朝廷选派南征时，许多权贵们纷纷前来投靠和嘱托各种事情，一时门庭若市，各种书信文札接连不断。
及被命当南伐，贵要多相凭托，门庭宾客若市。
When he was selected by the imperial court to go south, many dignitaries came to seek refuge and entrust him with various matters. For a while, the gate of his house was like a market, and various letters and documents came one after another.
<s>[INST] Identify the tone and emotion conveyed in the Classical Chinese text and explain how it is achieved in English: 及被命当南伐，贵要多相凭托，门庭宾客若市。 [/INST]
Tone and emotion: Regret, [Explanation in English: When he was selected by the imperial court to go south, many dignitaries came to seek refuge and entrust him with various matters. For a while, the gate of his house was like a market, and various letters and documents came one after another.]</s>
Identify the tone and emotion conveyed in the Classical Chinese text and explain how it is achieved in English: 及被命当南伐，贵要多相凭托，门庭宾客若市。
user
Tone and emotion: Regret, [Explanation in English: When he was selected by the imperial court to go south, many dignitaries came to seek refuge and entrust him with various matters. For a while, the gate of his house was like a market, and various letters and documents came one after another.]
assistant