- 释义：
- adj. 昏睡的；没精打采的
- 构词：
- leth忘记+arg=erg能量,活动+ic……的→忘了力量→不觉得有力
- 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。
换一句
-
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.
换一句
-
It made us all lethargic before we had gone far.
行不多远,大伙儿都意兴索然.
换一句