This kind of bilingual education led Wu early on to become more and more aware that the pronunciation of his mother tongue and the sounds of many Chinese characters as used by the Japanese had a great degree of commonality. This kind of experience laid a considerable foundation for Wu's future research.
「這樣雙語齊下的啟蒙教育，使我在很小的時候就感覺到，母語的字音與日本人用的漢字音之間，有相當程度的類似關係」，他表示，此種經驗成了他日後研究上相當重要的語言基礎。