step in

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)。

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