adj.心不在焉的；怠慢的；疏忽的
He is smart but inattentive, he sometimes fails to concentrate when he is studying. 他雖然聰明但不夠?qū)Ｐ模瑢W(xué)習(xí)中時(shí)常心有旁騖。
She is inattentive to her guests. 她對(duì)客人招待不周。
n.漫不經(jīng)心；不注意；疏忽
