come down upon处罚;强烈反对;申斥;向
come in upon参加
come down upon someone like严厉谴责某人
come down hard upon强烈反对;申斥;向
come upon against遭到
come upon the date进入社会
come upon sb遇上某人
come suddenly down upon突然袭击
to come upon见到
V（动词） to meet or encounter unexpectedly 偶遇; 邂逅
I came upon an old friend in the street today