三人行，必有我师(焉)

语法
Counting money! Whether this is useful or not God knows, but it's interesting to know.
多少钱 for "how much (money)," 块/毛 for X.Y
https://resources.allsetlearning.com/chinese/grammar/Counting_money

词汇
累, tired (pinyin in tags)
https://mandarinbean.com/new-hsk-1-word-list/
*The list also includes 了, listed as "past tense marker," but we're all pretty 累 of 了 by this point...just for reference.

Guardian:
我累了, I'm tired (the one and only time Shen Wei admits to anything of the sort)
多少钱？两，两三百吧. How much was it? Um, two or three hundred.
多少钱？都不够. How much? Not enough.

Me:
我买到的牵牛花非常便宜，只花了我一块八毛。
请你明天再问我，我现在太累了吧。