I got my orders through a code of silence 我是通过密码接收命令的
2.
The case in israel was unusual in that the women of the family broke their code of silence and testified against the man who killed his own sister 在以色列的情形在家庭的女人断掉了他们的沈默密码而且证明了对抗杀了他自己的姊妹的男人中是不寻常的。