うわの空

(1)lost in thought; showing preoccupation; "an absent stare"; "an absentminded professor"; "the scatty glancing quality of a hyperactive but unfocused intelligence"

(2)思案に暮れる

(3)うわの空

(1)an absent stare

(2)うわの空の目

(3)an absentminded professor

(4)ぼうっとしている教授

(5)the scatty glancing quality of a hyperactive but unfocused intelligence

(6)異常に活発であるが集中力のない知性で注意散漫に見つめる