overdrive的意思：超速挡、超速传动
双语例句：
1、The overdrive switch was on the steering column.
超速挡的开关在转向杆上。
2、As the wedding approached, the whole family went into overdrive.
随着婚礼将近，全家人都忙得不亦乐乎。
3、In the courtroom everybody went into overdrive, assuming that there might well be a verdict soon.
法庭里，人人都加倍紧张地行动起来，认为马上就要作出裁定了。
4、We went into overdrive to get everything finished in time for the Christmas break.
我们开足马力，赶在圣诞节假期前把所有的事情都做完了。
5、With the deadline1 nearly here and the project running behind, we need to go into overdrive.
例句最后期限就在眼前，但项目进度却拖后了，我们得加紧工作。
