lethargy

lethargy
[ˈlɛθədʒi]
noun
  1. [mass noun]a lack of energy and enthusiasm
    无精打采,无力
    there was an air of lethargy about him.
    他一副没精打采的样子。
    [in sing.]she might have sunk into a lethargy.
    她可能陷入了一种缺少活力的状态。
    ■(Medicine)a pathological state of sleepiness or deep unresponsiveness and inactivity
    (医)昏睡,嗜眠
语源
  1. late Middle English: via Old French from late Latin lethargia, from Greek lēthargia, from lēthargos 'forgetful', from the base of lanthanesthai 'forget'
英语宝典
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