音标：

step in：[stɛp ɪn]

含义：

step in 是一个短语动词，意思是：

介入（某种情况或事务），通常是为了帮助或干预。

代替某人做某事，尤其是当他们无法或不愿意做时。

翻译：

介入，插手

代替，替代

用法：

step in 后面通常跟动作或情况，表示参与或代替某人。

例句：

When the manager was unavailable, I had to step in and lead the meeting.

当经理不在时，我不得不介入并主持会议。

 

Can you step in for me at the conference next week?

你能在下周的会议上代替我吗？

 

The teacher had to step in when the students started arguing.

当学生们开始争吵时，老师不得不介入。

 

We will need someone to step in and manage the project while Jane is on leave.

我们需要有人在简请假期间介入并管理这个项目。

 

The police had to step in when the protest became violent.

当抗议活动变得暴力时，警方不得不介入。

 

If you’re not able to attend, I will step in and help with the presentation.

如果你不能参加，我会代替你帮助做演示。

 

The CEO decided to step in and resolve the ongoing issues with the suppliers.

CEO决定介入并解决与供应商的持续问题。

 

Don’t worry; I’ll step in if anything goes wrong.

别担心，如果有什么问题，我会介入。

 

I had to step in when my colleague was overwhelmed with work.

当我的同事工作太忙时，我不得不介入。

 

The assistant manager had to step in because the store manager was on vacation.

因为店经理度假，助理经理不得不代替他工作。

 

短语搭配：

step in to help - 介入提供帮助

step in to resolve - 介入解决

step in for someone - 代替某人

step in as a leader - 作为领导代替

step in the situation - 介入当前情况