in·ter·ven·tion /ˌɪntəˈvenʃən/ n. 1. 插入；介入 2. 干涉，干预；调停，斡旋 military intervention 军事干涉 The two men would have continued fighting but for the intervention of a policeman. 要是没有警察前来干预，那两个人会一个劲儿打下去的。 He underwent the surgical intervention on blood vessels of his left leg. 他左腿的血管动过外科手术。 3. 〈美〉(由父母对孩子进行指导的)介入教学