《资治通鉴·唐纪·唐纪十一》
侯君集征讨高昌时，曾派人约焉耆与他们合围高昌，焉耆高兴，愿意听命。
侯君集之讨高昌也，遣使约焉耆与之合势，焉耆喜，听命。
When Hou Junji conquered Gaochang, he sent someone to make an agreement with Yanqi to besiege Gaochang together. Yanqi was happy about it, and agreed to follow the order.
<s>[INST] Render the following Classical Chinese text into fluent English: 侯君集之讨高昌也，遣使约焉耆与之合势，焉耆喜，听命。 [/INST] When Hou Junji conquered Gaochang, he sent someone to make an agreement with Yanqi to besiege Gaochang together. Yanqi was happy about it, and agreed to follow the order.</s>
Render the following Classical Chinese text into fluent English: 侯君集之讨高昌也，遣使约焉耆与之合势，焉耆喜，听命。
user
When Hou Junji conquered Gaochang, he sent someone to make an agreement with Yanqi to besiege Gaochang together. Yanqi was happy about it, and agreed to follow the order.
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