lethargy

詳細解釋：

leth.ar.gy

n.（名詞）
【複數】 leth.ar.gies
A state of sluggishness, inactivity, and apathy.
無精打采，呆滯：懶散，無生氣，冷漠的狀態
A state of unconsciousness resembling deep sleep.
類似於熟睡的無意識狀態

來源：
Middle English letargie
中古英文 letargie
from Old French
源自 古法文
from Late Latin lôth3rgia
源自 後期拉丁語 lôth3rgia
from Greek lôthargia
源自 希臘語 lôthargia
from lôthargos [forgetful]
源自 lôthargos [健忘的]
lôthô [forgetfulness]
lôthô [健忘]
argos [idle] a- [without] * see a- ergon [work] * see erg
argos [懶散的] a- [沒有] *參見 a- ergon [工作] *參見 erg

<參考辭彙><同義詞>lethargy,lassitude,torpor,torpidity,stupor,languorThese nouns refer to a deficiency in mental and physical alertness and activity.
這些名詞都是指精神或者肉體警覺和活動效力的喪失。
Lethargy, a state of sluggishness and inactivity,may be caused by factors such as illness, fatigue, or overwork,but it manifests itself in drowsy dullness or apathy:
Lethargy 意指無精打采及沒有活力的狀態，可能因諸如疾病、疲勞或過度勞作等方面的因素引起，但是該詞表明自己是令人昏昏欲睡的單調乏味與呆滯：
例句：
A surprise military attack roused the nation from its lethargy.
一次令人吃驚的軍事進攻把全國人民從昏昏噩噩中驚醒。

Lassitude implies weariness or diminished energy such as might result from physical or mental strain:
Lassitude 意指諸如可能因肉體或精神過度緊張等原因而引起的疲倦或精力的減弱：
例句：
.His anger had evaporated; he felt nothing but utter lassitude. (John Galsworthy).
.他的怒火已消失殆盡；他唯一的感覺就是完全的睏乏. （約翰·高爾斯華綏）。

Torpor andtorpidity suggest the suspension of activity characteristic of an animal in hibernation; they imply lethargy or inertia:
Torpor 和torpidity 都表示處於冬眠狀態的動物的活力特徵的暫停； 他們都含有無精打采或遲鈍的意思：
例句：
.My calmness was the torpor of despair. (Charles Brockden Brown).
.我的鎮靜是我絕望的麻木. （查爾斯·布羅克登·布朗）.。

例句：
Nothing could dispel the torpidity of the indifferent audience.
任何東西都無法驅散那些冷漠觀眾的睏倦。

Stupor, which is marked by cessation or great decrease of mental activity or feeling,is often produced by sleepiness, illness, or the effects of alcohol or narcotics;it suggests a benumbed or dazed state:
Stupor 常以精神活動或感覺的中止或急劇減弱為標誌，常因睏倦、疾病或酒精或麻醉品的作用而產生；它表示麻木或發獃的狀態：
例句：
.The huge height of the buildings . . . the hubbub and endless stir . . . struck me into a kind of stupor of surprise. (Robert Louis Stevenson).
.建築物的巨大高度…大聲喧嚷及無盡的騷動…使我陷入了吃驚的麻木不仁之中. （羅伯特·路易斯·史蒂文森）。

Languor is the lack of energy or spirit typical of one who is indolent or satiated by a life of luxury or pleasure:
Languor 指由奢華或淫樂的生活造成的好逸惡勞的人缺乏精力或精神：
例句：
.But for the criminal . . . languor which characterized that commander`s movements . . . the honor of France might still have been saved. (John Lothrop Motley).
.如果不是因為罪犯…指揮官的消沉怠倦的行為…法蘭西的榮譽或許能得到挽救. （約翰·婁斯羅普·莫特利）