beyond one's years

Meanings:

• 1.

  generalneutralformal
  • Displaying maturity, knowledge, wisdom, or emotional development greater than is typical for a person's chronological age.
  • Possessing skills, judgment, or competence that exceed what would normally be expected at a given age.

• 2.

  generalneutral
  • Appearing older in physical appearance than one's actual age.