lethargic /lɪˈθɑːdʒɪk/

• 1. 

  ADJ If you are lethargic, you do not have much energy or enthusiasm. 没精打采的

  例：

  He felt too miserable and lethargic to get dressed.

  他感到很难受而且有气无力，以至于穿不了衣服。