YOU SAID:
I coughed up blood today. Oh, no.
INTO JAPANESE
私は今日血を集めた。あらいやだ。
BACK INTO ENGLISH
I collected blood today. Oh no!
INTO JAPANESE
今日は採血しました。あらいやだ!
BACK INTO ENGLISH
I bleeded today. Oh no!
INTO JAPANESE
私は今日出血した。あらいやだ!
BACK INTO ENGLISH
I had bleeding today. Oh no!
INTO JAPANESE
私は今日出血していました。あらいやだ!
BACK INTO ENGLISH
I was bleeding today. Oh no!
INTO JAPANESE
私は今日出血していました。あらいやだ!
BACK INTO ENGLISH
I was bleeding today. Oh no!
That didn't even make that much sense in English.