off-chance

基本解释

Make small change to the code on the off-chance that it might solve the problem
对程序做一些小的改动，尽管解决问题的机会极小；
In my heart of hearts I realised that this had been the place, but still spent the next couple of hours peddling around on the off-chance that I was mistaken.
从直觉我知道就是这个地方了，但我还是在周围骑车找了两个小时，希望是自己搞错了。
I thought, who logs on to a police website on the off-chance that there might be someone wanted that they might recognise?
我认为，在警察网站上登录的人极少机会能够提供帮助给我们想要的那个人。

What we're watching: On the off-chance that you're not watching the big game and pre-game festivities, we decided not to take the day off on our listings.
ENGADGET: HDTV Listings for February 5, 2006 HD
They will then be able to respond precisely, rather than slogging around on fruitless and demoralising patrols on the off-chance of catching a poacher up to no good.
ECONOMIST: Monitor
Atlantic City once had Young's Million-Dollar Pier, which became Hamid's Million-Dollar Pier: although gambling was never allowed there, the name encapsulated both brassy new entertainment and the off-chance of getting rich.
ECONOMIST: Musings on a favourite memento mori

If you do something on the off-chance, you do it because you hope that it will succeed, although you think that this is unlikely.