YOU SAID:

my stomach is in excruciating pain

INTO JAPANESE

私の胃は耐え難いほどの痛みを感じています

BACK INTO ENGLISH

My stomach feels intolerable pain

INTO JAPANESE

お腹が耐えられないほどの痛みを感じる

BACK INTO ENGLISH

I feel unbearable pain in my stomach

INTO JAPANESE

お腹にたまらない痛みを感じる

BACK INTO ENGLISH

I feel irresistible pain in my stomach

INTO JAPANESE

お腹にたまらない痛みを感じる

BACK INTO ENGLISH

I feel irresistible pain in my stomach