名詞 fatigue:

1. temporary loss of strength and energy resulting from hard physical or mental work
   同義詞：weariness, tiredness
2. used of materials (especially metals) in a weakened state caused by long stress
3. (always used with a modifier) boredom resulting from overexposure to something
4. labor of a nonmilitary kind done by soldiers (cleaning or digging or draining or so on)
   同義詞：fatigue duty

動詞 fatigue:

1. get tired of something or somebody
   同義詞：tire, pall, weary, jade
2. exhaust or get tired through overuse or great strain or stress
   同義詞：tire, wear upon, tire out, wear, weary, jade, wear out, outwear, wear down, fag out, fag

1. I am utterly fatigued.
   我完全累壞了。
2. The patient fatigues easily.
   病人容易疲勞。
3. Finally, her mind gave in to fatigue and she fell asleep.
   最后她的心力疲憊不堪，就睡著了。

fa.tigue

n.（名詞）
Physical or mental weariness resulting from exertion.
疲勞：由于費力而引起的身體或精神上的虛弱
Something, such as tiring effort or activity, that causes weariness:
累活：某些引起虛弱的事情，如使人厭倦的努力或活動：
例句：
the fatigue of a long hike.
一次長途跋涉的勞累

Physiology The decreased capacity or complete inability of an organism, an organ, or a part to function normally because of excessive stimulation or prolonged exertion.
【生理學】 疲勞：組織、器官或身體一部分功能減退或完全喪失，主要是由于過度刺激或長期勞累引起的
The weakening or failure of a material, such as metal or wood, resulting from prolonged stress.
腐朽：因長時期壓力而起的材料（如金屬或木頭的）變朽或變廢

Manual or menial labor, such as barracks cleaning, assigned to soldiers.
勞務雜役：分派給士兵的一年一次或兩次的雜役（如打掃軍營）
fatigues Clothing worn by military personnel for labor or for field duty.
fatigues 工作服：士兵服雜役時穿著的衣服
v.（動詞）
fa.tigued,fa.tigu.ing,fa.tigues
v.tr.（及物動詞）
To tire with physical or mental exertion; weary.
使疲勞：因身體或精神費力而疲勞；勞乏
To create fatigue in (a metal or other material).
使疲乏：使（金屬或其它材料）疲勞
v.intr.（不及物動詞）
To be or become fatigued.See Synonyms at tire
疲勞：變疲勞的參見 tire

來源：
French
法語
from Old French
源自 古法語
from fatiguer [to fatigue]
源自 fatiguer [疲勞]
from Latin fatog3re
源自 拉丁語 fatog3re