adj.无精打采的；懒散的
Lao Wang is very serious with work, so don't be lackadaisical. 老王干活可较真儿啦，你可别马马虎虎的。
So, Cicero first warned us against the danger of being lackadaisical. 西塞罗首先警告我们要注意萎靡不振的危险。
