If you describe a person or their comments as vacuous, you are critical of them because they lack intelligent thought or ideas.
例句
Male models are not always so vacuous as they are made out to be.男模特兒并不總像人們說(shuō)的那樣愚蠢。...the usual vacuous comments by some faceless commentator.一些千人一面的評(píng)論員給出的毫無(wú)意義的尋常意見(jiàn)