I hitchhiked China for 3 months in 2018 after studying Chinese for 2 semesters of college beforehand. Hitchhiking is by far one of the best ways to learn a new language. Long hours with a wide variety of individuals, mostly one-on-one. If you're young, and you're reading this, go hitchhike. It's not as safe as staying home with mom, but it's not as dangerous as people who have never done it say it is. I "achieved int…
Another way is moving to another country. You'll learn quicker than you think, and no need to learn the language beforehand, it'll be great fun to try to understand something completely foreign, and gets a lot easier when you see people's faces and hands :)
If you're young, you still have time to move to another country, and move back home if you get bored/scared. It's not as difficult or dangerous as most people think.