Well, for starters, he forgot the negative sign on the exponent
首先 他忘了加上指数前的负号
It went downhill from there
后面就讲不通了
The problem was unsolvable
这道题没法解
Maybe this school isn't as great as you think it is
也许这学校也不怎么样
Mary, you knew the problem was incorrect
玛丽 既然你知道题是错的
Why didn't you say anything?
怎么不早说呢
Frank says I'm not supposed to correct older people
弗兰克说我不要去指出长辈的错误
Nobody likes a smartass
没人喜欢自作聪明的人