lethargic [ləˈθɑrdʒɪk]

例句:

• He felt too miserable and lethargic to get dressed.
  他心情低落，无精打采，完全没有心思穿衣整装。
  
• It'served to make him rebellious and hence lethargic at times.
  这种情况引起他对现状的反抗心理,有时候便老是没精打采.
  
• It made us all lethargic before we had gone far.
  行不多远,大伙儿都意兴索然.
  
• They will often be lethargic and off their food.
  来自BBC
• People with CKD may feel tired and lethargic.
  来自BBC
• The city was lethargic, the palace dormant.
  来自O. Manning