Her mother's interference exacerbated the difficulties in their marriage.
她母亲从中干预使他们的婚姻雪上加霜.
Her interference was not warranted.
她干涉得毫无道理.
Both partners now resent your interference; that's what you get when you fish in the troubled waters of marital strife.
现在两方面都对你的干预不满, 那是对你的婚姻冲突中趁火打劫的报应。