《旧唐书·列传·卷一百三十八》
杀了杨万顷后，张琇把表状系在刀刃上，自己说明报仇的情况。
既杀万顷，系表于斧刃，自言报仇之状。
After killing Yang Wanqing, Zhang Xiu tied a form to the blade, and explained the situation of his revenge.
<s>[INST] Kindly elucidate the central themes in this passage in English: 既杀万顷，系表于斧刃，自言报仇之状。 [/INST] After killing Yang Wanqing, Zhang Xiu tied a form to the blade, and explained the situation of his revenge.</s>
Kindly elucidate the central themes in this passage in English: 既杀万顷，系表于斧刃，自言报仇之状。
user
After killing Yang Wanqing, Zhang Xiu tied a form to the blade, and explained the situation of his revenge.
assistant