1. She was soon out of breath, but she continued to run.
    只追了一会儿便上气不接下气了，但她还是继续追赶。

2. Some children can cover the whole length of the pool without coming up for breath even once.
    有些孩子能够跑完游泳池的全长而不用露出水面换气。

3. She washed the dishes and the soiled linen, she took down the refuse to the street every morning, and brought up the water, stopping at each landing to get her breath.
    她要洗锅刷碗，洗脏衣服，每天早上还把垃圾送到街上，再把水提上楼，在每段台阶都要停下来稍做喘息。

4. I thought he was making fun of me and ran faster than ever reaching the schoolyard quite out of breath.
    我以为他在取笑我, 就越发跑得快起来, 到达学校时我都上气不接下气了.

5. I thought he was making fun of me and ran faster than ever, reaching the schoolyard quite out of breath.
    我以为他是同我开玩笑，便跑得更快了。到学校的时候，已经上气不接下气了。

6. In the third and final stage, people often feel weak, tired, and out of breath — and exercise performance is severely compromised.
    在第三也即最后阶段，人常常感到虚弱，疲乏无力，喘不过气，运动成绩大打折扣。

7. In the total silence, I feel my own pulse quicken and hear my breathing as it begins to match hers, breath for uneven breath.
    在一片寂静中，我感觉自己的脉搏加快了，我听到自己的呼吸开始伴随着她那不均匀的呼吸一起一落。