set t upon袭击;攻击
set sb upon his legs使某人恢复健康
set her heart upon决心要
set little value upon不怎么重视
set much value upon把
to set upon袭击
onestone set upon another没有一个石头被放到了另外一个石头上没有一栋建筑被修起来
set her mind upon决心要
be set upon一心想
V（动词） to attack 攻击
three thugs set upon him