《太平广记·卷一百九十二·骁勇二》
于是把张用诚的儿子杀了，把张用诚按倒在地，壮士用脚踩着他的肚子，用刀逼近他的咽喉，说：你要喊叫，就叫你死。
遂格杀其子，而仆用诚于地，令壮士跨其腹，以刃拟其喉曰：声则死之！
Then Zhang Yongcheng's son was killed, and Zhang Yongcheng was thrown to the ground as the strongmen stomped on his stomach and put a knife to his throat, saying: "If you shout, you will die."