Our country, which has become so old your head is all covered with white hair.
As I often tell him, he is indeed becoming old beyond his years.
He really was becoming too old for this sort of thing.
He saw, all at once, that they had become old.
They are just now becoming old enough to travel in society, no longer being children.
When compared against photographs from years ago, the woman remains the same, but her husband has become much older.
For all the talk about 25-year-olds making their first (or second) million dollars, the nation's work force is becoming older.
The soldier I once was is becoming soft and old.
And we need you the most in a few years, when the children on Selene have become older.
It had become older and stronger, the face of a stern old woman.