word of mouth
口コミ
Ex
- I found out about this shop by word of mouth.
- I always check the word of mouth when I buy something.
- The movie spread through word-of-mouth.
Reference source
- https://hapaeikaiwa.com/2013/07/31/☆イディオム☆「word-of-mouth」の意味と使い方/
口コミ