Soldiers, however, say it's impossible to judge a person's age in every case.

Khadaji found it was hard for him to judge her age.

She judged his age to be well in excess of three hundred years.

It was hard to judge his age; close to her own, she guessed.

IT just got harder to judge a woman's age by the length of her hair.

He judged her age at twenty-five years or more, old for a working ship.

I can see she is European but cannot judge her age.

It may be difficult to correctly judge a person's age.

The Tanner stages can be used to approximately judge a child's age based on physical development.

They were young, maybe seven or eight years old, though Kirk was not good at judging children's age.