“不败之地”常见的英文表达有 “an invincible position” 或 “a position of invincibility”，也可用 “in an unbeatable/invincible situation” 来表示处于一种难以被击败的状态。
With such a strong defense, our team is in an invincible position. （凭借如此坚固的防守，我们队处于不败之地。 ）
The experienced general led his army to an invincible position on the battlefield.（这位经验丰富的将军带领他的军队在战场上处于不败之地。 ）
Their well - planned strategy put them in an unbeatable situation in the competition.（他们精心策划的战略使他们在比赛中处于不败之地。 ）