日本語で！

皆、四葉チャンネルを使ってる人は日本の興味があるので、ムーンスピークで話そう！

どのぐらい日本語を勉強してるの？

「gtfo weeaboo」の前に。

>>144
You're just assuming the sentence is supposed to say "I'm bad at Japanese". If you stopped forcing your own views on someone else's sentence you would see that it is in fact perfectly grammatical.