### Chinese: 许多人少年时候也有理想，老了之后，却忘了理想，或追求理想，却沦为偏执。
### English: Many people have dreams when they are teenagers. When they grow old, they forget or pursue dreams, but become paranoid.
### Errors: There is a major error of incorrect translation is missing content from the correct translation at "teenagers instead of young". There is a major error of incorrect translation includes information not present in the correct translation at "pursue dreams instead of pursue their dreams". There is a major error of problems with grammar, other than orthography at "become paranoid instead of become paranoid about their dreams".

### Improved English: Many people had dreams when they were young, but they forgot about them when they got older; or, they pursue their dreams and become paranoid.