fatuous
词根词缀：
fatuity n. 愚蠢，愚昧
fatu 笨 + ity 具备某种性质，状况 → 愚蠢，愚昧
fatuous adj. 昏庸的
fatu 笨 + ous 有…性质的，关于…的 → 昏庸的
infatuate v. 使糊涂；使迷恋
in 使… + fatu 笨 + ate 使… → 使糊涂；使迷恋
infatuation n. 热恋；着迷
infatuat 迷恋 + ion 动作或状态 → 热恋；着迷
数据来源：新东方英语词汇速记大全
相关例句：
Several other women also chimed in, with an animus which none of them would have been so fatuous as to show but for the rollicking evening they had passed.
还有几个其他的女人也齐声响应，她们骂得粗鲁毒辣，要不是她们晚上事先都在寻欢作乐，她们也不会那样愚蠢地乱骂一气的。
It should drop the fatuous targeting of pay, shadow banking and rating agencies.
它应当放弃愚昧地把矛头对准薪酬、影子银行业和评级机构。
It is incompetent that he not only fatuous and like violence, always force son the peoples to be away from town the back well for his ambition battle.
他不仅昏庸无能，而且喜欢暴力，总是强迫子民们为了他的野心而离乡背井的打仗。
A fatuous person, smile, remark He was laughed at for being so foolish.
笨人、傻笑、蠢话.他因太傻而遭人笑话。
A fatuous and self-indulgent ruler wouldn't spend much time reading and replying to memorials.
一个昏君是不会用多少时间来批复奏疏的。
The magazine editors are not wholly fatuous. I know that.
“好了，可别那么愤世嫉俗，”马丁提出要求，“杂志编辑并非都那么昏庸，这我是知道的。