三人行，必有我师(焉)

语法
从 ~ 到， from X to Y (time or place)
https://resources.allsetlearning.com/chinese/grammar/Expressing_%22from%E2%80%A6_to%E2%80%A6%22_with_%22cong%E2%80%A6_dao%E2%80%A6%22
I appreciate the tones going up with 从 as you set off and down again with 到 as you reach your destination...

词汇
孩子, child (also 男孩儿, boy; 女孩儿, girl; 小孩儿, (small) child) ( pinyin )
https://mandarinbean.com/new-hsk-1-word-list/

Guardian:
李茜，你是个好孩子, Li Qian, you're a good kid (YES SHE IS)
就是你一下从沈教授切换到黑老哥，我有点错乱, I just got a little distracted when you changed from Professor Shen to Brother Black.
从古到今天上地上奇人异事，我都能说个大概. I can tell you a little something about peculiarities from long ago to today. [?]

Me:
这个案子太无聊了，虽然我从九点到现在一直努力了但是一点都没进展。
别在公司玩电子游戏了，你是不是孩子呢。