1. She's in her early twenties. (=20-23 years old) 2. He's in his late thirties. (=37-39 years old) 3. She just turned six. 4. Act your age! (use this when an adult is being immature, acting like a child) 5. I'm not as young as I used to be. 6. I'm not over the hill yet! (over the hill = an informal expression to say "old") 7. He's no spring chicken. (= he's not young) 8. She's wise beyond her years. (she is young, but she has the wisdom of an older person) 9. I'm having a senior moment. (= I'm being forgetful) 10. He lived to a ripe old age. (= a very old age)
Stand with your feet hip width apart and your feet facing forward. Slowly sit back by bending the hips and knees until the thighs are parallel to the floor. Keep your weight on your heels throughout the movement and press through them to return to a standing position.