There is no 'shame' in admitting your mistakes. [=you should not feel ashamed/embarrassed about admitting your mistakes]
It's 'a crying shame' [=it's upsetting to me] that movies are often so violent these days.
Her art project 'put mine to shame'. [=her art project was much better than mine]
(..) We'll be through in a moment. Who told you about this? How's Grandma? She's a bit under the weather, I'm afraid. It's a shame, she was so much looking forward to seeing you. - Perhaps next time, if she feels up to it. - GRANDPA: Absolutely. You know, Ralf, your mother really is sick. (..)2008 The Boy in the Striped Pajamas