三人行，必有我师(焉)

语法
半 "half," with and without measure words
https://resources.allsetlearning.com/chinese/grammar/Expressing_%22half%22_with_%22ban%22

词汇
里, in (also a unit of distance, see also 公里 and 英里, but we won't get into that today). Also 家里, in the house, 里边, inside, 哪里, where, 那里, there, 这里, here. ( pinyin )
https://mandarinbean.com/new-hsk-1-word-list/

Guardian:
赵处扣掉了我半个月的工资, Chief Zhao took out half a month of my salary.
等你半天了， I waited for you half a day
你是不是说过，这里边讲的故事都是确切发生过的事? didn't you say that the stories told in this exactly match the things that happened?

Me:
我太饿了吧，肯定能吃两碗半米饭。
请你家里不要抽烟。