I'm 'ashamed' [='embarrassed'] 'to admit' it, but I still don't know how to ride a bicycle. = I'm 'ashamed to say' I still don't know how to ride a bicycle.
We were too 'ashamed to go' back to school. [=we didn't go back to school because we were too embarrassed]
She was 'ashamed' that she hit her brother. = She felt 'ashamed' for/about hitting her brother.
(..) my old Ziploc bags. Okay. Well... I would like to tell you that there is nothing here to be ashamed of. So I'm gonna need a minute. All right, how are we gonna play this when they return? I know. You guys should totally (..)2016 TvShow: The Big Bang Theory Title: The Solder Excursion Diversion Season: 9 Episode 19