《新唐书·列传·卷一百四十九》
吕用之则大肆搜索城中人马丁壮，派骁将用长刀胁迫这些人登城，昼夜不得休息。
用之大索居人马及丁壮，骁将以长刀拥胁乘城，昼夜不得息。
Lü Yongzhi thoroughly searched the city for strong men and horses. He sent brave generals armed with long knives to force these people to climb the city walls, making them work day and night without rest.