《新唐书·本纪·卷六·肃宗 代宗》
初十，吐蕃军进犯灵州，朔方军节度留后常谦光将其打败。
甲戌，吐蕃寇灵州，朔方军节度留后常谦光败之。
On the tenth day, the Tufan army invaded Lingzhou, but was defeated by Chang Qianguang, the regional commander of the Shuofang army.
<s>[INST] Explain the meaning of this Classical Chinese passage in English: 甲戌，吐蕃寇灵州，朔方军节度留后常谦光败之。 [/INST] On the tenth day, the Tufan army invaded Lingzhou, but was defeated by Chang Qianguang, the regional commander of the Shuofang army.</s>
Explain the meaning of this Classical Chinese passage in English: 甲戌，吐蕃寇灵州，朔方军节度留后常谦光败之。
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On the tenth day, the Tufan army invaded Lingzhou, but was defeated by Chang Qianguang, the regional commander of the Shuofang army.
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