Members of the Tu family communicate with each other in proper Taiwanese, with not a single word of Mandarin mixed in. So steeped in Taiwanese were the children that, upon attending school for the first time, they were shocked to hear the other children speaking an incomprehensible "Beijing dialect."
一家人用純正的閩南語交談，完全不夾雜國語，以致兩個小孩在十幾歲進小學就讀時，才驚訝地發現別人說的是自己聽不懂的「北京話」。