following video is advice of foreigner who is able to speak japanese fluently. https://www.youtube.com/watch?v=Gho_XZeGWs4 https://www.youtube.com/watch?v=GonYTz0txKI https://www.youtube.com/watch?v=I-B6NPxyYSc https://www.youtube.com/watch?v=--0lwSNQgDw https://www.youtube.com/watch?v=EnZ8DnYBMLY

Watch anime or Japanese dram. You could find lots of options on Netflix. BTW, we dont say 私の日本語が悪い cuz it means 悪い and bad are slightly different. You could say 私は日本語を勉強中です, or I am studying Japanese. Or 私は日本語が苦手です, or I am not good at Japanese.

Let's practice and teach me English