on and off

Sparks were emitted from small black boxes and red lamps flashed on and off angrily.

黑色的小盒子里发出火花,红灯刺目地忽亮忽灭.

Blink your headlights on and off.

使车前灯闪烁(打信号)吧.

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,我要知道的只是机器怎么开关.

Sam was flicking a flashlight on and off.

萨姆啪啪不停地把手电筒开了又关。

Is It'something you can turn on and off like a faucet?

这是不是象自来水龙头,你要开就开,要关就关?

This low-impact exercise involves stepping on and off a platform following routines to music.

这一低强度锻炼的内容包括在伴随音乐做完固定动作之后重复踏上踏下平台。

Their conduct both on and off the pitch was excellent.

他们场上场下都表现出众。

Quick powering on and off, an advantage for smooth presentations.

快速电源开和关, 为顺利演示优势.

The boat , which was swinging in an eddy, came on and off and pitched with violence.

飘荡在旋涡里的渡船, 一上一下猛烈地颠簸起来.

Rebecca and I had lived together on and off for years.

我跟贝丽卡时作时辍地一起生活了好多年.

To our amusement, the actor jumped on and off the stage.

令我们感到有趣的是, 那个演员从舞台跳上跳下.

It rained on and off all day.

哩哩啦啦下了一天雨.

Power response is uniform, with smoother variations on and off - axis.

功率响应一致, 同轴和离轴变化更为平稳.

I was still working on and off as a waitress to support myself.

我为了糊口仍然间或去做服务员。

She fascinated him, both on and off stage.

不管是台上还是台下的她，都让他着迷。