It was grit. Grit is passion and perseverance for very long-term goals. Grit is having stamina.

是力，力是对长期目标的热情和坚持，力就是持久力。

Sled dogs are notable for their stamina.

雪橇狗以其力著称。

I got you. Their competitive edge lies mainly in endurance and stamina.

我明白了，他们的强项在于力持久。

But what we lack in speed, we make up for in endurance.

但我们的力优势弥补了我们在速度上的。

I'd like to have, yeah, I'd like to try and develop that stamina.

我试试，我改善力。

So, they do not need endurance or stamina for a sprint.

所以，他们短跑需要力或毅力。

Life, in other words, is an endurance test.

换句话说，人生就是场力测试。

I'm always amazed at the endurance of these animals.

我直都很惊叹这些动物的力。

So for animals that have the endurance, mountains can be sanctuaries.

对于力极佳的动物而言，深山堪称生存的圣殿。

The lioness combines power and speed, but she lacks endurance.

母狮兼具力量和速度，但她缺乏力。

Physical endurance dropped by half, and strength showed a 21 percent decrease.

力降了半，体力降了21%。

Now, for endurance, it's a bit of a mixed bag.

现在，在力方面，这是个混合结果。

A good fighter, Toyne, but he lacked stamina.

托因是个勇士, 但他缺乏力.

He plans to treat the isolation like an endurance test.

他打算把隔离看做种忍力考验。

You know, it's hard to say, but the human body was built for endurance.

很难说，可是人体天生就有忍力。

The 24 Hours of Le Mans.

勒芒24小时力赛。

I barely have the endurance to make it through track practice...but I will.

我几乎没有力完成赛道练习，但我会的。

Without stamina, you can not continue in this sport.

如果没有力，你是能进行这项运动的。

I may not have the stamina any more, but I still have the technique.

我可能力行了，过技能还在。

Not everyone was in it for the long haul.

并是每个人的忍力都很强。