N-COUNT 过时的观点;陈旧的原则;错误的信念 If you describe an idea or belief as a shibboleth, you mean that it is thought important by a group of people but may be old-fashioned or wrong.
It is time to go beyond the shibboleth that conventional forces cannot deter. 是时候摆脱那些传统力量无法遏制的陈规陋习了。