YOU SAID:

nobody knows the trouble i have seen

INTO JAPANESE

誰も私が見たトラブル

BACK INTO ENGLISH

I have seen no problems

INTO JAPANESE

問題を見てきたよ

BACK INTO ENGLISH

You've seen the problem

INTO JAPANESE

問題を見てきた

BACK INTO ENGLISH

Have seen problems

INTO JAPANESE

問題を見ています。

BACK INTO ENGLISH

Looking at the problem.

INTO JAPANESE

問題を見ています。

BACK INTO ENGLISH

Looking at the problem.