on the off-chance
Meaning: You can say you're doing something "on the off-chance" if you're doing it because it might lead to something that you want, even though it's not definite.
- Photographers follow celebrities around on the off-chance that they can get a good photograph of them and sell it.
- I'll call Frank and tell him where we are on the off-chance that he can join us.
I got the job after calling the company on the off-chance that they needed someone. I called