omerta
1. We're sworn to omerta.
我们不得而知。
2. The most important rule is called 'omerta'.
最重要的一条规则就是“拒绝作证”。
3. And the Mafia cemented its power by originating the law of silence, the omerta.
黑帮采用缄默法,即所谓守口如瓶的原则,加强了自己的权力。