疲劳、倦怠、精疲力竭、疲惫

1. fatigue, weariness, exhaustion, tiredness

noun or participle which takes the aux. verb suru noun (common) (futsuumeishi) intransitive verb

疲劳(金属等材料的)

2. fatigue (of metal, etc.)

noun (common) (futsuumeishi) intransitive verb noun or participle which takes the aux. verb suru