the off chance

• adv. 可能性甚小

the off chance的用法和样例：

例句

1. Stopped by on the off chance that they're home.
   停下车看看，既使他们在家的可能性很小
2. I didn't think you'd be at home, but I just called on the off chance.
   我想你不会在家的，只是抱著一线希望给你打个电话。
3. He came on the off chance of finding me at home.
   他来找我时是想到我或许有可能正在家中。