《汉书·传·张骞李广利传》
一到达，我宛兵在城内，康居的救兵在城外，共同和汉军作战。
至，我居内，康居居外，与汉军战。
As soon as I arrive, my Wusun soldiers will be inside the city and the relief troops from Kangju will be outside the city, and we will fight the Han army together.