In children, those signs include difficulty breathing; bluish skin color; flu symptoms that begin to improve, then return with fever and worse cough; and fever with a rash.

对儿童来说，这些症状包括呼吸困难；皮肤颜色变青；流感症状开始改善，然后又出现发热和咳嗽加剧；以及伴有皮疹的发热等。

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I have also incorporated yoga into my daily routine to improve my breathing and flexibility.

我每天还把瑜伽糅合到我的训练中来提高我的呼吸效率和身体灵活性。

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Your breathing, blocked by stress, will improve. Your muscles will relax and, most importantly, your head will be emptied of all worries.

被紧张堵住的呼吸会慢慢顺畅，你的肌肉会放松下来，最重要的是脑海里将没有忧虑。

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President Mwanawasa has undergone an operation to improve his breathing, and is in intensive care at the Percy military hospital.

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Keep calm and carry on practicing your breathing to improve.

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Relaxation, meditation and breathing skills can improve the chances of surmounting one's distress.

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