YOU SAID:

You suffer... but why?

INTO JAPANESE

... が、なぜ苦しむか。

BACK INTO ENGLISH

... Why you suffer from.

INTO JAPANESE

...なぜあなたは苦しみます。

BACK INTO ENGLISH

... Why do you suffer.

INTO JAPANESE

...なぜあなたは苦しんでいますか？

BACK INTO ENGLISH

... Why are you suffering?

INTO JAPANESE

...なぜあなたは苦しんでいますか？

BACK INTO ENGLISH

... Why are you suffering?