on and off 雅思

Don’t confuse me with technicalities——all I need to know is how to turn the machine on and off.

细节性技术我搞不懂，别讲了，我要知道只是机器怎么开关。

A few years ago, this was a highly combustible fixture which pitted sides led by Roy Keane and the equally combative Patrick Vieira, causing ructions on and off the pitch.

在几年前，双赛会因为有好斗罗伊.基恩和样不好惹维埃拉存在而变得十足，双争吵会从场上直到场下。