run away with someone
phrasal verb with run verb uk/rʌn/ us/rʌn/ running | ran | run
(RIDE)
（马或汽车）速度过快使（骑马者、开车者）失去控制
If an animal or machine that you are riding runs away with you, you lose control of it and it carries you away.
Her horse ran away with her. 她骑的马失去控制，驮着她狂奔而去。
(OF FEELING)
（感情等）失去控制，使（某人）头脑失控，使（某人）糊涂行事
If a feeling or idea runs away with you, you cannot control it and it makes you behave stupidly.
Sometimes my imagination runs away with me and I convince myself that they are having an affair. 有时候我会禁不住胡思乱想，认为他们有暧昧关系。