YOU SAID:
I have 55-year-old children in my basement
INTO JAPANESE
地下に55歳の子供がいます
BACK INTO ENGLISH
There is a 55-year-old child in the basement
INTO JAPANESE
地下に55歳の子供がいます
BACK INTO ENGLISH
There is a 55-year-old child in the basement
That didn't even make that much sense in English.