柯林斯詞典step in (stepping,stepped,steps) 1. PHRASAL VERB If you step in, you get involved in a difficult situation because you think you can or should help with it. 干預(yù) If no agreement was reached, the army would step in. 如果達不成協(xié)議，軍隊將會干預(yù)。 返回 step in