off-chance

基本解释

Make small change to the code on the off-chance that it might solve the problem
對程序做一些小的改動，盡琯解決問題的機會極小；
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.
從直覺我知道就是這個地方了，但我還是在周圍騎車找了兩個小時，希望是自己搞錯了。
I thought, who logs on to a police website on the off-chance that there might be someone wanted that they might recognise?
我認爲，在警察網站上登錄的人極少機會能夠提供幫助給我們想要的那個人。

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.