We're just passing through on our way to Chicago.
我们是去芝加哥的，只是路过这里。

2.run for president 竞选总统

It was only last February that he announced he would run for president.
去年2月，他才宣布自己将参加总统竞选。

3.take over 接手；接管

Cars gradually took over from horses
汽车逐渐替代了马匹。

4.took charge 负责；担任

The director himself took charge of the project.
所长亲自挂帅进行这项工作