This document provides definitions for 10 common idioms related to life: 1) Being the light of someone's life means love can become their reason for living. 2) The best things in life are free refers to things that are beautiful, delightful, and free. 3) Leading a double life means hiding taboo activities and seeming normal. 4) Risking life and limb means endangering oneself for wealth, thrills, or fun. 5) Being larger than life refers to celebrities or characters seeming more interesting than most. 6) It's a dog's life refers to having too much work with no fun. 7) Life is just a bowl of cherries humorously means the opposite of things going well. 8)