過大かだい
kadai

na-Adjective

1. excessive; too much; unreasonable

Antonym of 過小
世界せかいてき過大かだい評価ひょうかされた中国ちゅうごくしょといえば、『孫子まごこ』ですかね。
sekaitekini kadaini hyōka sareta chūgokushoto ieba 'magoko'desukane.
When it comes to Chinese books that are overvalued worldwide I suppose it's Sun Tzu, isn't it?