易守难攻

  • na.easy to hold but hard to attack
  • 网络easily guarded

易守难攻易守难攻

易守难攻

easily guarded,hard to attack

攻讦... ... 以子之矛,攻子之盾 ;hoist with his own petard 易守难攻 easily guarded,hard to attack 易受攻击 vulnerable ...

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