thirty-five years old中five和years 之间不用加连字符吗?一般不是说"thirty-five-years old" 吗?

Question

thirty-five years old中five和years 之间不用加连字符吗?
一般不是说"thirty-five-years old" 吗?

Answer 1

thirty-five-year-old 整个作定语,是形容词
thirty-five years old
He is a thirty-five-year-old man.
He is thirty-five years old.