5.the seat I was offered appeared to be an impregnable Tory stronghold.
给我的席位像是保守党坚不摧的堡垒。
6.Liverpool should have used their good fortune to forge an impregnable half-time lead.
利物浦队本应用他们的好运取得摧枯的半场领先。
7.O, how shall summers honey breath hold outAgainst the wreckful siege of battering days,When rocks impregnable are not so stout,Nor gates of steel so strong, but Time decays?