We stayed together, on and off, for two years.

我们断断续续在一起待了两年。

金山词霸

Sam played with a flashlight, turning it on and off repeatedly.

萨姆反复摆弄着手电筒，不停开关。

金山词霸

It rained on and off all day.

哩哩啦啦下了一天雨.

《现代汉英综合大词典》

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.

《用法词典》

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.

《简明英汉词典》

She fascinated him, both on and off stage.

不管是台上还是台下的她，都让他着迷。

辞典例句

Their conduct both on and off the pitch was excellent.

他们场上场下都表现出众。

辞典例句

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.

辞典例句

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?

辞典例句

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.

辞典例句

Blink your headlights on and off.

使车前灯闪烁(打信号)吧.

辞典例句

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.

辞典例句

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

快速电源开和关, 为顺利演示优势.

互联网

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.

互联网

Histones are proteins involved in regulating genes turned on and off.

组蛋白是涉及到调控基因的蛋白质.

互联网