strung out
adjective [ after verb ] slang uk/ˌstrʌŋ ˈaʊt/ us/ˌstrʌŋ ˈaʊt/
（因吸食海洛因、可卡因等毒品而）神志恍惚的
experiencing the strong effects of drugs such as heroin or cocaine
For most of her teenage years, she was strung out on crack. 在少女时期的大部分时间里，她都因吸食可卡因而神志恍惚。
非常疲倦的;非常担忧的
very tired and worried
By the end of the week I was completely strung out. 到周末时我疲惫极了。