YOU SAID:

I can't believe you're riding another man's green bicycle.

INTO JAPANESE

あなたが別の男性の緑の自転車に乗っているとは信じられません。

BACK INTO ENGLISH

I can't believe you're riding another man's green bike.

INTO JAPANESE

あなたが別の男性のグリーンバイクに乗っているとは信じられません。

BACK INTO ENGLISH

I can't believe you're riding another man's green bike.