怎样用英文表示"在某人八十多岁"从,在某人十岁到一百多岁,

Question

怎样用英文表示"在某人八十多岁"
从,在某人十岁到一百多岁,

Answer 1

in one's +基数词复数,十到100岁
in one's tens
in one's twenties
in one's thirties
in one's forties
in one's fifties
in one's sixties
in one's seventies
in one's eighties
in one's nineties
in one's hundreds