YOU SAID:

sometimes I think it's a sin when I feel like I'm winning, but I'm losing again.

INTO JAPANESE

私が勝ったように感じるとき、時々私はそれが罪だと思います、しかし私は再び負けます。

BACK INTO ENGLISH

Sometimes I think it is a sin, but I will lose again when I feel like I won.

INTO JAPANESE

時々私はそれが罪だと思うが、私が勝ったように感じるとき私は再び負けるだろう。

BACK INTO ENGLISH

Sometimes I think it is a sin, but I will lose again when I feel like I won.