if someone wants or needs to see life, they want or need to experience many different things, especially by travelling around the world and meeting interesting people.

Young people should see life before they get jobs and buy houses and do other boring things like that!

He's decided to do a round-the-world trip, he wants to see life a bit before he starts university.

• the slings and arrows
• the slings and arrows of outrageous fortune
• the small hours
• the small print
• the smart money
• the smoke
• the socks off
• the socks off someone
• the soft sell
• the something of dreams
• the something of your dreams
• the spectre at the feast
• the spirit moves
• the spirit moves you
• the staff of life
• the stage is set for
• the stage is set for something
• the state of play
• the status quo
• the story of life
• the story of someone's life
• the straight and narrow
• the straight and narrow path
• the straw that breaks the camel's back
• the swing of things