YOU SAID:

己の弱さが不甲斐ない

INTO JAPANESE

己の弱さが不甲斐ない

BACK INTO ENGLISH

My own weakness is disappointing

INTO JAPANESE

自分の弱さが残念だ

BACK INTO ENGLISH

I regret my weakness

INTO JAPANESE

私は自分の弱さを後悔している

BACK INTO ENGLISH

I regret my weakness