lassitude
noun /ˈlæsɪtjuːd/
/ˈlæsɪtuːd/
[uncountable] (formal)- a state of feeling very tired in mind or body; lack of energy
倦怠;疲乏;无精打采 - I was overcome by lassitude.
我疲惫不堪。
词源late Middle English: from French, from Latin lassitudo, from lassus ‘tired’. - I was overcome by lassitude.