Proverb meaning you cannot control what people say; rumors cannot be completely stopped — secrets often spread eventually.
どんなに説明しても非難は続く。人の口に戸は立てられぬということだ。
No matter how much you explain, criticism continues. It shows you can't stop people from talking.
社内のゴシップはすぐ広がる。人の口に戸は立てられぬと痛感した。
Office gossip spreads quickly. I realized you can't stop people from talking.
秘密にしていた話が表に出てしまい、やはり人の口に戸は立てられぬと嘆いた。
The secret I kept came out, and I lamented that you can't stop people from talking.