劍橋詞典experiencing the strong effects of drugs such as heroin or cocaine （因吸食海洛因、可卡因等毒品而）神志恍惚的 For most of her teenage years , she was strung out on crack . 在少女時期的大部分時間裡，她都因吸食可卡因而神志恍惚。 very tired and worried 非常疲倦的；非常擔憂的 By the end of the week I was completely strung out. 到周末時我疲憊極了。 也見string sth out 返回 strung out