>>38296764>She repeats sentences without understandingYes, as all earnest beginner language learners do. It's how you get better at articulating the language, learn set phrases, etc.
>can only make sentences out of english words already present in JapaneseNot true
>Most vtubers are better than her at EnglishI assume you mean Japanese vtubers, in which case incorrect. She's better than the majority of holoJP at this point, and even if she wasn't, Japanese people on average have worse English than Japanese vtubers on average. The standard for English learning in that country is abysmal.
