《资治通鉴·唐纪·唐纪二十七》
张孝嵩对都护吕休说： 如果不发兵相救，今后我们就没有资格向西域诸国发号施令了。 
孝嵩谓都护吕休璟曰： 不救则无以号令西域。 
Zhang Xiaosong said to Protector Lu Xiu: If we do not send troops to help, we will not be qualified to give orders to the countries of the Western Regions in the future. 
<s>[INST] Explain the meaning of this Classical Chinese passage in English: 孝嵩谓都护吕休璟曰： 不救则无以号令西域。  [/INST] Zhang Xiaosong said to Protector Lu Xiu: If we do not send troops to help, we will not be qualified to give orders to the countries of the Western Regions in the future. </s>
Explain the meaning of this Classical Chinese passage in English: 孝嵩谓都护吕休璟曰： 不救则无以号令西域。
user
Zhang Xiaosong said to Protector Lu Xiu: If we do not send troops to help, we will not be qualified to give orders to the countries of the Western Regions in the future.
assistant