依靠年轻有青春魅力而赚钱过日子to rely on one’s youth and good looks to earn a living; to eat the rice of youth

• 她并不认为自己吃青春饭。

  She doesn’t believe that she is relying on her youth to earn a living.

• 在许多人看来，迪厅领舞的是吃青春饭。

  Lots of people think that working as a dancer in a club is just a young person’s game.