Tiredness leaves your brain feeling foggy, slow and unproductive.

疲劳的大脑感觉模糊，迟钝，没效率。

It was then he knew the depth of his tiredness.

这时候他才明白自己疲乏到什么程度。

After a time, he had to be hospitalized for extreme tiredness and an infection.

过一段时间，他因极度疲劳和感染而不得不住院。

By evening, levels of a hormone called melatonin begin to increase, leading to tiredness.

到晚上，一种名为褪黑激素的激素水平开始增加，导致疲劳。

Caffeine gets in there and blocks that receptor so you never feel that tiredness.

咖啡因到脑区后 阻碍腺苷与受体结合，所以不感到疲惫。

However, sometimes we feel more than just general tiredness.

然而，有时我们感到的不是一般的疲劳。

People who talk of tiredness do not know what the word really means.

说累的人们其实不理解这个词的真实含义。

For them, weakness and tiredness may be the main signal.

他们的主要徵兆可能只是无力和倦怠。

This helps to condition your body's schedule and trigger tiredness at the right times.

这有助于调整的生物钟，并在合适的时间产生疲劳感。

Too little salt can lead to muscle cramps, nausea and tiredness.

盐摄入不足可能导致肌肉痉挛、恶心和疲劳。

Tiredness, breathing problems, fast heart rate, and vomiting were the most common symptoms.

疲倦、呼吸困难、心率加快和呕吐是最常见的症状。

The French leader suffered headaches, a dry cough and tiredness for several days.

这位法国领导人出现、咳嗽和疲倦等症状，这些症状持续数天时间。

Harry's eyes were itching with tiredness.

哈利的眼睛疲倦得发痒。

His eyes were itching with tiredness.

哈利的眼睛很疲倦。

The main side effects are pain, high temperature, chills and tiredness, especially after the second injection.

主要副作用表现为疼、高烧、发冷和疲惫，尤其是在接种第二剂疫苗之后。

Participants also did a self-assessment where they estimated their own drunkenness, tiredness and willingness to drive.

参与者还需要做一份关于酒醉、疲劳和积极兴奋的态度下开车能力的自我评估。

The tiredness and other symptoms of CFS can get worse after exercise, work, or other activity.

慢性疲劳综合征的疲劳和其他症状在锻炼、工作或其他活动后变得更严重。

For some people, changes to their habits and routines could help them to beat bouts of extreme tiredness.

对一些人来说，改变他们的习惯和日常活动可以帮助他们战胜极度疲劳。

That infection could bring cold, tiredness, cold hands and feet, quick breathing, diarrhea, or discoloration of the skin.

这种感染可能带来寒冷、疲倦、手脚冰冷、呼吸急促、腹泻或皮肤变色。

If you don't consume enough water, your kidneys suffer, causing symptoms such as headaches, tiredness and loss of concentration.

如果没有喝下足够的水，肾脏就受损，引起，疲劳，注意力不集中的症状。