1. I〔孤立した砦〕
    • 孤塁を守る
    • defend an isolated outpost [position]
  1. II〔孤立無援の状態〕
    • 通俗化の中で純文学の孤塁を守ろうとつとめた
    • They tried to defend the (isolated) position of pure literature in defiance of the general trend toward popularization.