"Almost never speaks out in class when Keltham has just said something alarming to somebody in realCheliax and less alarming to someone in alterCheliax, a problem partially shared by Gregoria and Peranza though Gregoria is improving.  Tonia is too scared generally to think interesting thoughts that will let her say interesting things to Keltham.  From Keltham's perspective Tonia probably doesn't have a distinct personality at this point, also a problem she shares with Gregoria and Peranza.  That's with Jacme and Pela out of the running, as otherwise they'd be much worse offenders."

"Almost never speaks out in class when Keltham has just said something alarming to somebody in realCheliax and less alarming to someone in alterCheliax, a problem partially shared by Gregoria and Peranza though Gregoria is improving.  Tonia is too scared generally to think interesting thoughts that will let her say interesting things to Keltham.  From Keltham's perspective Tonia probably doesn't have a distinct personality at this point, also a problem she shares with Gregoria and Peranza.  That's with Jacme and Pela out of the running, as otherwise they'd be much worse offenders."

...apparently she can talk okay, more or less, so long as it's about her work, and so long as the amount she's sweating under her clothes won't count against her.