My hearing is on the decline, and it's hard for me to realize how loud I am sometimes. I don't mean any ill will though.
この場合、次のような言い方ができますよ。
ーMy hearing is on the decline, and it's hard for me to realize how loud I am sometimes. I don't mean any ill will though.
「聴力が落ちていて、たまに自分が立てている音がどんなに大きいかに気が付きにくい。悪気はないんだけどね」
one's hearing is on the decline「聴力が落ちている」
ill will「悪気」
ご参考まで!