听到他发出阵阵沉重急促的呼吸，看到他身体肿胀得不成样子，我从来没有看见过那样的情况，我们都感到很难过。

It was awful, hearing the hard, sharp thrusts of his breathing and seeing his body bloat into disfigurement that did not look like anything I'd ever seen.

youdao

或许你很难体会，但是对我而言，跑步就正如同很自然呼吸一般的轻松。

It may sound hard to you, but for me running is as natural as breathing.

youdao

在沙尘暴中骑车是很可怕的，风力非常强，很难呼吸，而且尘土会让我得病，所以如果你想出门，最好带上面罩。

To be cycling in a sandstorm is frightening. The winds are very strong. It's difficult to breathe and the dust makes me ill. So if you want to go out, you'd better wear a mask.

youdao

So it's very difficult, but what I come down to is that you just have to place your energy on your breath, and every time you notice your awareness drifts to somewhere else, you have to recognize this drift and let it go.

因此这很难，但我总结的方法是,只需要把能量集中到呼吸上，每次注意力不集中,飘到别处时，要意识到意识的涣散，并放手不管。

普林斯顿公开课 - 人性课程节选