2019Chinese:My mayor is Japanese, but I started the year by failing my Chinese exam (3rd Semester) in January, mainly due to me not studying the simplified characters, and stopped going to Chinese classes after that I then switched to intensive learning via Audio and speaking: I watched videos on yabla.com and I had around 7 Tandem partners, 6 Chinese/Taiwanese and 1 Japanese. So I had speaking practice every day.
I joined the Chinese community in my city in Germany for several occasions, I tried to make friends, and spend some time with exchange students, but the contacts quickly fizzled out in the long run. I accumulated around 2000 or 2500 new known words in Anki, but eventually in July I had to stop studying Chinese, and prepare for my exchange year in Japan, a lot of things had to be organized.
I then planned to maintain the language and expand my knowledge casually, just by interacting with Chinese people. While I initially attained a conversational level in Chinese, the language is so hard to maintain and I sometimes fall below this threshold again, where it is hard to speak at all. Even after my trip to Taiwan, and even after I joined a lot of Chinese-Japanese language exchange activities in Japan, and even though I have spent significant time with Chinese exchange student. I also failed the Taiwanese TOFCL Level 3 test.
So this plan of casual maintenance has failed. And I noticed that I have to put some serious time into this again, in order to improve.
Japanese:I had health problems in spring, so I skipped half or even more of my classes in Japanese as well, but I prefer studying on my own anyway. I was part of a study group of serious learners, with an advanced student as a coach, who all aspired to make a lot of progress in Japanese, which helped me a lot.
Apart from this I didn't study Japanese actively until around July or August, and mainly trusted on my past studies. Living in Japan has enabled me to learn a lot passively, I judged my level about right - so it was ok to not prepare more, because I can do most things in Japanese, and can use the language to improve my language further. I take Japanese classes, which are just about right. Apart from that I recently started studying with video input again, hoping to make a breakthrough into the advanced levels eventually before I leave again next autumn.
Spanish:I'm taking a Spanish course which will reach an A1 level in January. I didn't really put my heart into it, and will probably leave it at that.
2020:I would like to learn a new language, but I guess I'm still stuck in my current endeavor and should refrain so for this year too. In 2020 I must put real time into Chinese again, I have to get a scholarship for 2021, so ideally I should try passing HSK4 or TOFCL3, I will probably take these tests in Summer and Autumn.
My Japanese progress is not really that important for my future, I can probably graduate with the level I am now. But I would like to use my time in Japan and get to fluency in reading and watching movies, or make at least significant progress. I'll try to pass JLPT2, although knowing me being bad at such tests, I will probably not pass

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I will also have to dedicate some time into graduating next year, and return to a more serious university based schedule. So this year I can enjoy a bit of freedom, I would therefore like to spent some time advancing my life in other areas than language learning primarily.