le·thar·gic /ləˈθɑːdʒɪk $ -ˈθɑːr-/ adjectiveadjTIREDfeeling as if you have no energy and no interest in doing anything 无精打采的,懒洋洋的 SYN lazy OPP energeticThe hot weather was making us all lethargic. 炎热的天气使我们所有人都昏昏欲睡。
► see thesaurus at slow —lethargically /-kli/ adverbadv