| 短语 | step in |
| 释义 | step in to become involved in an activity, discussion, or disagreement, sometimes in order to stop trouble介入，干涉，插手;SYNintervene•The military may step in if the crisis continues.如果危机持续下去，军方可能会介入。•Parents have stepped in to provide homework help in the afternoon program.在下午活动安排中，家长们出面在家庭作业方面提供帮助。 step in become involved in a difficult or problematic situation, especially in order to help or prevent something from happening 插手帮助（或干预）。 ■ act as a substitute for someone 代替, 顶替： Lucy stepped in at very short notice to take Joan's place. 露西在接到通知后很短的时间内就接替了琼的位置。 ˌstep ˈinto help sb in a disagreement or difficult situation居间调停；居中斡旋；施以援手A local businessman stepped in with a large donation for the school.当地一位商人出面捐了一笔巨款给学校。The team coach was forced to step in to stop the two athletes from coming to blows.运动队教练不得不介入，才使两个运动员没有动起手来。step in1. walk in 走进 * Would you mind stepping in for a moment? 进来坐一会好吗？ * The clerk stepped in and asked for Mr. Black. 办事员走进来要找布莱克先生。2. intervene either to help or hinder 插进来（帮助或阻止）；干预 * If the government does not step in, there will be no trains on Monday. 政府要是不干预的话，星期一将没有任何火车。 * The police are reluctant to step in. 警察不愿插手干预。 * Father stepped in and forbade me to go campimg. 父亲进来干预不准我去野营。step in1.步入;走入：When that famous scientist stepped in the hall，people stood up and welcomed him with warm applause.当那位著名的科学家步入大厅时，人们起立，以热烈的掌声欢迎他。2.干预;干涉：Just as some naughty pupils quarrelled more and more hotly，their teacher stepped in and criticized them severely.正当一些顽皮的小学生们争吵得越来越厉害时，他们的老师来干预，把他们严厉地批评了一顿。 |
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