三人行，必有我师(焉)

语法
不/没 + 全都 for "not all of..." (bottom of page)
https://resources.allsetlearning.com/chinese/grammar/Indicating_the_whole_with_%22quan%22

词汇
您, polite form of you (pinyin in tags)
https://mandarinbean.com/new-hsk-1-word-list/

Link to introductory grammar (day 8)

Guardian:
您先请, after you, if you please (Zhao Yunlan being viciously polite)
(no 不全都 or 没全都, apparently)

Me:
中文没有日语用您得多。
披萨我没全都吃。