feet of clay
01
隠れた弱点, 知られざる欠点
a serious flaw or weakness in one's character that other people are not aware of
idiom
例
The celebrity's glamorous image crumbled when it was revealed that they had feet of clay, struggling with addiction behind the scenes.
その有名な指導者には、ほとんど知られていない弱点があった。
