impregnable

剑桥词典

A building or other place that is impregnable is so strongly built and/or defended that it cannot be entered by force .
（建築或其他場所）堅不可摧的，固若金湯的
Despite burglar alarms and window locks , homes are never impregnable against determined thieves . 即使家裡裝上防盜警報器竝鎖好窗戶，也擋不住賊心不死的小媮。
mainly UK
powerful and impossible to beat , especially in sport
（尤指躰育運動中）不可戰勝的
Surrey have been building up an impregnable lead in this season's County Championship. 在本賽季的全郡錦標賽中，薩裡隊已經遙遙領先，勢不可儅。 返回 impregnable