lethargy

• 一种无精打采、昏昏欲睡或缺乏精力与活力的状态，常与疾病或懒散有关。

A noun describing a state of sluggishness, drowsiness, or lack of energy and vitality, often associated with illness or inactivity.

不可数

1. Pathological torporB2formalmedical

   A state of deep unconsciousness or sluggishness, often associated with diseases such as sleeping sickness.

   病理性昏睡

   • The patient's lethargy was a symptom of the advanced stage of the disease.
   • The lethargy caused by the infection lasted for weeks.
   • He was in a state of lethargy, barely responding to stimuli.

   同义词comasomnolencesoporstuportorpor

   反义词alertnessvigilancewakefulness

2. Lack of energyB2formalmedical

   A condition characterized by physical weakness and a deficiency of vitality or energy.

   嗜睡

   • After the long illness, she felt a deep lethargy that made it hard to get out of bed.
   • The heatwave induced a general lethargy among the workers.
   • Lethargy can result from poor diet and lack of sleep.

   同义词apathyfatigueindolenceinertialanguorlassitudelistlessnesssluggishnesstorporweariness

   反义词animationdynamismenergylivelinesspepspiritvervevigorvitalityzest

3. Unusual inactivityB2formal

   A state of inactivity or laziness, showing an abnormal lack of energy.

   嗜睡

   • His lethargy prevented him from completing his homework on time.
   • The team's lethargy during the game led to their defeat.
   • Don't confuse occasional laziness with chronic lethargy.

   同义词apathydullnessindolenceinertialanguorlassitudelistlessnesssluggishnesstorpor

   反义词activityenergyvigorvitality