https://www.dazeddigital.com/film-tv/article/54384/1/the-botched-squid-game-subtitle-saga-explained

However, more significant parts of the script that add nuance to her character are also missed. In one scene Mi-nyeo is trying to convince another contestant to continue the games with her. The subtitles read: “I’m not a genius but I can still work it out”. However, what she actually says is “I am very smart, I just never got a chance to study,” according to youngmimayer.

“That is a huge trope in Korean media, the poor person that’s smart and clever, that’s a huge part of her character, but almost everything she says is being botched,” she adds.