YOU SAID:

Someone is going to have a bad day at some point.

INTO JAPANESE

誰かは、いくつかの点で悪い日があるつもりです。

BACK INTO ENGLISH

Someone is going to be bad in terms of several days.

INTO JAPANESE

誰かが数日の面で悪いことしようとしています。

BACK INTO ENGLISH

Has to be someone in a few days.

INTO JAPANESE

数日後に誰かをしなければなりません。

BACK INTO ENGLISH

A few days later someone must.

INTO JAPANESE

数日後誰かはする必要があります。

BACK INTO ENGLISH

A few days later someone must.