by word of mouth
US /baɪ wɜrd əv maʊθ/
UK /baɪ wɜrd əv maʊθ/
1.
por boca a boca, por indicação
through people telling each other rather than through advertisements, etc.
:
•
Most of our business comes by word of mouth.
A maior parte do nosso negócio vem por boca a boca.
•
The news spread quickly by word of mouth.
A notícia se espalhou rapidamente por boca a boca.