YOU SAID:

Or be way worse at this

INTO JAPANESE

またはこれでもっと悪いことに

BACK INTO ENGLISH

Or worse, with this

INTO JAPANESE

もっと悪いことに、これで

BACK INTO ENGLISH

To make matters worse,

INTO JAPANESE

さらに悪いことに、

BACK INTO ENGLISH

[さらにわるいことに] /(exp) and what is worse/to make matters worse/

INTO JAPANESE

さらに悪いことに

BACK INTO ENGLISH

[さらにわるいことに] /(exp) and what is worse/to make matters worse/