I have lived here off and on since 2007. I am a journalist.

从2007年起，我就断断续续地住在这儿。我是一名记者。

youdao

I've been involved with pubs off and on for ten years.

我从事和酒吧相关的事业加起来有十年时间了。

youdao

It rains off and on.

雨忽而下，忽而停。

《新英汉大辞典》

Censorship has been a problem in Thailand off and on for decades, even without emergency laws.

VOA: standard.2010.07.06

And for the next, off and on for the next couple of weeks, we'll be talking about Python and program organization.

接下来大概有几周时间，我们将要讨论Pyton语言和程序结构。

麻省理工公开课 - 计算机科学及编程导论课程节选

I have lived here off and on since 2007. I am a journalist.

从2007年起，我就断断续续地住在这儿。我是一个记者。

纽约的景点 - SpeakingMax英语口语达人

So, I'm sort of checking my e-mails off and on, just keeping an eye on Twitter.

CNN: SHARE THIS

You can count on some surprises, both off and on the field of play.

BBC: Memories of the Cup

The bill was off and on all week with, at week's end, only a watered-down version surviving.

CNN: D.C. Brigadoon -- Applaud It While It Lasts!