This species becomes sexually mature at 3 or 4 years of age.
It is a fine hobby for one of my mature years.
"I am now in my most mature years - it probably just took me a little longer than expected to get there."
Lord, the mature years give us a sense of humor.
They become sexual mature at 2 to 3 years of age.
For those who come into the Order in mature years a full year's probation is customary.
"Oh, a lady of mature years may do many things which a young girl must avoid."
I am a man of mature years and fairly sedate ways.
We've now reached our mature years and wish to travel with tour companies.
One was tall, well built for a man of his mature years.