Hello, first of all this is a sentence of the typo, it should be“我生病了，悄悄地用完家中的皮炎平来擦，但是都没有任何效果，最后只好告诉妈妈我生病了” "I'm sick to rub quietly run out of the home in the Pi Yan Ping, but have no effect, and finally had to tell my mother I was sick." Pi Yan Ping drug is a treatment for the skin disease, is the name of the medicine, specializing in the treatment of dermatitis symptoms.Oh .... not quite understand?It does not matter, slowly Oh.

这样给想要学习中文的朋友解释只会把他们带进胡同里。其实对于外国朋友学习中文呢，最有效的方法我觉得是多看一些中国的老百姓生活片、综艺节目啦，多说多练才是最重要的。希望帮到你。