She vowed to be revenged on them all!为什么用被动?
问题描述：
She vowed to be revenged on them all!为什么用被动?
答
be revenged on someone
向某人报仇[亦作revenge oneself on someone]
她发誓,要向他们所有人报仇.
也可以说成：She vowed to revenge herself on them all!