consider someone's ageUsually followed by する or に入れる: の年齢を考慮する means "to consider someone's age," while の年齢を考慮に入れる means "to take someone's age into consideration."
JA: 相手の年齢を考慮して、説明の仕方を変えました。
EN: I changed the way I explained it, taking the other person's age into consideration.