YOU SAID:
日本語が少し下手になりました
INTO JAPANESE
日本語が少し下手になりました
BACK INTO ENGLISH
Japan language becomes a little poor
INTO JAPANESE
日本語が少し悪い
BACK INTO ENGLISH
Japan is a little poor
INTO JAPANESE
日本は少し悪いです。
BACK INTO ENGLISH
Japan is a little bad.
INTO JAPANESE
日本は少し悪いです。
BACK INTO ENGLISH
Japan is a little bad.
That didn't even make that much sense in English.