by chance

US /baɪ tʃæns/
UK /baɪ tʃæns/
"by chance" picture
1.

per caso, casualmente

without planning or intention; accidentally

:
I met my old friend by chance at the airport.
Ho incontrato il mio vecchio amico per caso all'aeroporto.
Did you find that book by chance or were you looking for it?
Hai trovato quel libro per caso o lo stavi cercando?