YOU SAID:
hello i am not doing well today
INTO JAPANESE
こんにちは私は今日元気ではないです。
BACK INTO ENGLISH
Hello I am not healthy today.
INTO JAPANESE
こんにちは私は今日健康ではありません。
BACK INTO ENGLISH
Hi I am not healthy today.
INTO JAPANESE
こんにちは私は今日健康ではありません。
BACK INTO ENGLISH
Hi I am not healthy today.
That didn't even make that much sense in English.