by word of mouth
US /baɪ wɜrd əv maʊθ/
UK /baɪ wɜrd əv maʊθ/
1.
por el boca a boca, de boca en boca
through people telling each other rather than through advertisements, etc.
:
•
Most of our business comes by word of mouth.
La mayor parte de nuestro negocio llega por el boca a boca.
•
The news spread quickly by word of mouth.
La noticia se difundió rápidamente por el boca a boca.