《左传·襄公·襄公二十三年》
杞梁、华还用战车装载甲士夜里进入且于的狭路，宿在莒国郊外。
杞殖、华还载甲，夜入且于之隧，宿于莒郊。
Qi Liang and Hua Huan loaded the chariots with armored soldiers and entered the narrow path of Qie Yu at night, sleeping in the suburbs of Ju state.