YOU SAID:

Children are just younger old people and old people are just really old children

INTO JAPANESE

子供たちはただの年配の子供たちであり、年配の人たちは本当に年配の子供たちです

BACK INTO ENGLISH

The children are just older children and the older people are really older children

INTO JAPANESE

子供たちはちょうど年上の子供たちであり、年上の人々は本当に年上の子供たちです

BACK INTO ENGLISH

The children are just older children and the older people are really older children