by chance

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

por casualidad, accidentalmente

without planning or intention; accidentally

:
I met my old friend by chance at the airport.
Me encontré con mi viejo amigo por casualidad en el aeropuerto.
Did you find that book by chance or were you looking for it?
¿Encontraste ese libro por casualidad o lo estabas buscando?