YOU SAID:

I went to school to learn things but ended up sad

INTO JAPANESE

私は物事を学ぶために学校に行きましたが、結局悲しくなりました

BACK INTO ENGLISH

I went to school to learn things, but eventually I was sad

INTO JAPANESE

私は物事を学ぶために学校に行きました、しかし結局私は悲しかったです

BACK INTO ENGLISH

I went to school to learn things, but in the end I was sad

INTO JAPANESE

私は物事を学ぶために学校に行きましたが、結局私は悲しかったです

BACK INTO ENGLISH

I went to school to learn things, but in the end I was sad