英 [ˈvækjuəsnəs] 美 [ˈvækjuəsnəs]
n. 没有表情；空虚
indicative of or marked by mental vacuity and an absence of ideas
the vacuousness of her face belied her feelings
没有表情(vacuousness), 此释义来源于网络辞典。
Dianran hook brush pen, compact quasi-steady, vacuousness of Health to produce a very strong expression;
用笔点染勾擦、精巧准稳、虚实相生，产生很强的表现力；
The most intelligent among them turn it into a religion: oh, the despicable vacuousness of bourgeois existence!
Unfortunately, North Korea's odious behavior with respect to the U.S. helicopter it shot down this week is a vivid reminder of the vacuousness of Mr. Carter's exploits.
"The very vacuousness of these films is reassuring, " Mamet explains.