在第十一集中，金社长说自己和豹子女士都是小学水平，在豹子夫妇准备去日本旅行办理手续时，正焕打电话回家咨询，豹子女士说出自己不会英语；其实这点在前期就有伏笔：

首先，豹子女士在第三集写给德善妈妈的字条，笔迹相对稚嫩；

In the eleventh episode, President Kim said that he and Ms. Leopard are primary school level, in the Leopard couple ready to travel to Japan to go through the formalities, Zhenghuan called home to consult, Ms. Leopard said he could not speak English; in fact, there was a foreshadowing of this point in the early stage:

First of all, Ms. Leopard in the third episode to Deshan mother note, handwriting is relatively immature;