Cheng tested into a private middle school and resumed his studies there. After the war ended, Cheng was taught the Taiwanese language from a text developed by the teacher. Then, with the arrival of the Nationalist government on Taiwan, Mandarin began to be taught.
終戰後，剛開始學老師自編的台語教材，後來國民政府播遷來台，又開始教國語，學習ㄅㄆㄇㄈ。