Here's a video from "Royal Editor" at The Times, Kate Mansey, where you can better hear what Thorpe is saying

The violin music starting up at the end while Chuck looks gormlessly around him is a little too on the nose.

Awkward silence, maybe a lot of people in that room silently agreeing with her or maybe feeling shame? You'd normally hear some people, at least, voicing their disapproval at her.

Camilla leaning over to ask someone to interpret, “what is this fuck the colony she is saying?”.

Charles and Camilla having a good laugh about it all at the end of that video.