YOU SAID:
He said so, with chagrin.
INTO JAPANESE
彼は悔しがってそう言った。
BACK INTO ENGLISH
He said so sorry.
INTO JAPANESE
彼はすみませんと言った。
BACK INTO ENGLISH
He said that I am sorry.
INTO JAPANESE
彼は私が残念だと言った。
BACK INTO ENGLISH
He said that I was disappointed.
INTO JAPANESE
彼は私ががっかりしたと言った。
BACK INTO ENGLISH
He said that I was disappointed.
Well done, yes, well done!