To remain invincible, the only means for one is to learn.

要想在竞争中立于不败之地，唯一的手段就是学习。

youdao

The theory can guide the construction business and make it remain invincible.

该理论可指导施工企业立于不败之地。

youdao

Only by relying on our own efforts can we in all circumstances remain invincible.

只有依靠自力更生，才能在任何情况下都立于不败之地。

youdao

He said that it would be "futile" to expect any outcome from the resolution, because North Korea would remain "invincible forever".

VOA: standard.2009.11.20