干預Father stepped in and forbade me to go camping. 父親干預不允許我去野營。If the police had not stepped in when they did there would have been serious violence. 當時若警方遲一些干預就會發生嚴重的暴力事件了。
介入a local businessman stepped in with a large donation for the school 當地一位商人出面捐了一大筆錢給學校the coach was forced to step in to stop the two athletes from coming to blows 教練被迫出面干預,阻止這兩名運動員鬥毆