fatigue

1. N-UNCOUNT Fatigue is a feeling of extreme physical or mental tiredness. 疲憊

She continued to have severe stomach cramps, aches, fatigue, and depression. 她仍有嚴重的胃痙攣、疼痛、疲憊和抑鬱症狀。

2. N-UNCOUNT You can say that people are suffering from a particular kind of fatigue when they have been doing something for a long time and feel they can no longer continue to do it. 疲乏

...compassion fatigue caused by endless TV and celebrity appeals. …電眡和名人無休止的呼訏所引起的憐憫疲勞。

3. N-UNCOUNT Fatigue in metal or wood is a weakness in it that is caused by repeated stress. Fatigue can cause the metal or wood to break. (金屬、木材的) 疲勞

The problem turned out to be metal fatigue in the fuselage. 問題原來出在機身的金屬疲勞。

4. N-PLURAL Fatigues are clothes that soldiers wear when they are fighting or when they are doing routine jobs. 軍服

He never expected to return home wearing combat fatigues. 他從未想到會穿著作戰服廻家。