Strictly speaking, apart from having failed to acquaint himself with the rules of local etiquette--not to mention the abuse of his tortured bladder--the real faux pas in this Frenchman's behavior was that he actually drank those 14 cups of tea, subjecting himself to such expensive discomfort!
嚴格說來，除了未能事先入境問俗，以至委屈了他可憐的膀胱；這位法國老兄真正失禮之處，還在他喝掉的那十四杯茶，換來的是多麼昂貴的痛苦啊！