interfere
未受邀介入,带负面色彩,妨碍或干涉
intervene
介入某情况,通常为了改变结果,可以是正面的介入
Neighbors complained that the landlord kept interfering in their personal affairs.
邻居们抱怨房东不断干涉他们的私人事务。
The teacher decided to intervene when two students began arguing in class.
当两名学生在课堂上开始争吵时,老师决定介入。