“低配”是说一样东西的配置很低，功能比较少，价格也便宜。

"低配" means that something has low specifications, fewer functions, and a cheaper price.

我们常用它来说手机、电脑或者汽车，也可以开玩笑地说人。

We often use it to talk about phones, computers, or cars, and sometimes jokingly about people.