过度疲劳是指由于长时间的紧张工作、学习或其他活动而导致身体和精神上的严重疲劳状态。它可能是由于缺乏充足的休息、过度劳累、持续的压力或生活方式不健康等原因造成的。过度疲劳可能会影响到个人的工作效率、身体健康和心理健康，严重时甚至可能导致疾病和意外事故的发生。

关于过度疲劳的英语词汇及短语：

Excessive fatigue - 过度疲劳

Burnout - 职业倦怠

Exhaustion - 精疲力尽

Chronic fatigue - 慢性疲劳

Sleep deprivation - 睡眠不足

Mental exhaustion - 精神疲惫

Stress-related fatigue - 压力引起的疲劳

Overwork - 过度劳累

Restlessness - 焦躁不安

Energy depletion - 能量消耗

关于过度疲劳的英语句子：

Excessive fatigue can have detrimental effects on both physical and mental health if not properly addressed.

（如果不加以妥善处理，过度疲劳可能对身体和心理健康造成不利影响。）

Burnout is often the result of prolonged periods of excessive stress and overwork without adequate rest.

（职业倦怠通常是长时间过度压力和过度劳累而没有足够休息的结果。）

Chronic fatigue syndrome is characterized by persistent exhaustion that is not relieved by rest and may worsen with physical or mental activity.

（慢性疲劳综合征以持续的疲劳为特征，休息后不缓解，并可能随着身体或精神活动而加重。）

Overwork and sleep deprivation can lead to a vicious cycle of fatigue and decreased productivity.

（过度劳累和睡眠不足会导致疲劳和生产力下降的恶性循环。）

Excessive fatigue can lead to difficulty concentrating, decreased work efficiency, and may affect the individual's quality of life.

（过度疲劳会使人无法集中精力，工作效率降低，并可能影响到个人的生活质量。）

Top Ten Symptoms of Excessive Fatigue 过度疲劳的十大症状

• Fatigue and Weakness: Persistent feelings of tiredness and weakness, even after sufficient rest.

• Headaches: Frequent headaches, especially after long periods of work or study.

• Insomnia: Difficulty falling asleep or staying asleep, poor sleep quality, feeling unrested upon waking.

• Changes in Appetite: Loss of appetite or overeating, leading to fluctuations in weight and nutritional deficiencies.

• Lack of Concentration: Difficulty focusing, decreased mental agility, reduced work and study efficiency.

• Mood Swings: Emotional instability, frequent mood swings including irritability, anxiety, depression, etc.

• Weakened Immune System: Increased susceptibility to colds, infections, and other health issues, compromised immune function.

• Muscle Pain: Muscle pain or stiffness in various parts of the body, possibly accompanied by joint discomfort.

• Memory Impairment: Decreased memory function, difficulty remembering things or concentrating.

• Social Withdrawal: Lack of interest in social activities, reduced interaction with others.

• 疲倦无力：持续感觉疲倦和虚弱，即使经过充分休息也难以恢复精力。

• 头痛：经常出现头痛，尤其是在长时间的工作或学习后。

• 失眠：难以入睡或保持睡眠，睡眠质量差，醒来时感觉并未得到充分休息。

• 食欲改变：食欲不振或过度进食，可能导致体重波动和营养不良。

• 集中力不足：难以集中精力，思维敏捷度降低，工作和学习效率下降。

• 情绪波动：情绪不稳定，易怒、焦虑、抑郁等情绪波动频繁。

• 免疫力下降：易感冒、感染和其他健康问题，免疫系统功能受损。

• 肌肉疼痛：身体多处出现肌肉疼痛或僵硬感，可能伴随关节不适。

• 记忆力减退：记忆力下降，难以记住事物或集中注意力。

• 社交障碍：缺乏兴趣参与社交活动，与他人的交往减少。