There have been several drug-related crimes in this neighborhood recently.

drug-related 是由名词 drug（毒品）和形容词 related（相关的）组成的复合形容词，中间用连字符连接。drug 指"毒品、药物"，related 来自动词 relate（使相关），意思是"相关的"。 drug-related 表示"与毒品有关的"，用来描述与毒品有联系的事物或事件。