adj.無精打采的；懶散的
Lao Wang is very serious with work, so don't be lackadaisical. 老王干活可較真兒啦，你可別馬馬虎虎的。
So, Cicero first warned us against the danger of being lackadaisical. 西塞羅首先警告我們要注意萎靡不振的危險(xiǎn)。
