C1203 Is this true?

Is this true?

If he did not know that Li Chengyu was Li Chengxin's sister and that he was a knowledgeable woman, Liang Xiaosu would definitely think that Li Chengyu was a real woman from a family, because she was too professional in doing all this!

Liang Xiaosu used to think that his father was half a professional chef and was outstanding in cooking and cooking