untenable/ʌnˈten.ə.bəl/形容词(理论或论点)难以捍卫的,站不住脚的If three people in four no longer support the government, isn't this an untenable situation?如果四分之三的人不再支持政府,这样的局面就难以为继了吧?想跟读,去练习