Word/Phrase: si acaso
Translation: if by chance
Pronunciation: si aˈkaso
If by chance you see her - Si acaso la ves
I will go, if by chance it rains - Iré, si acaso llueve
Let me know if by chance you find it - Avísame si acaso lo encuentras
It might happen, if by chance you try - Puede pasar, si acaso lo intentas
We can meet, if by chance you are free - Podemos encontrarnos, si acaso estás libre