Ruizendaal returned to Xiamen in 1988 with a five-year plan to master the Minnan tongue of southern Fujian Province, but foreigners were subject to all sorts of restrictions in the closed and secretive China of that time.
1988 年，羅斌再度到廈門，準備以 5 年時間好好學習閩南話。當時封閉的中國對外國人有許多限制，甚至連居住的地方也受到規範。