What was Miss Peggotty's opinion about Mr. Murdstone?

Peggoty did not like or trust him.

Peggoty's initial reaction.....

‘Much obliged to you, Peggotty,’ returned my mother, in a cheerful voice, ‘I have had a VERY pleasant evening.’

‘A stranger or so makes an agreeable change,’ suggested Peggotty.

‘A very agreeable change, indeed,’ returned my mother.

Peggotty continuing to stand motionless in the middle of the room, and my mother resuming her singing, I fell asleep, though I was not so sound asleep but that I could hear voices, without hearing what they said. When I half awoke from this uncomfortable doze, I found Peggotty and my mother both in tears, and both talking.

‘Not such a one as this, Mr. Copperfield wouldn’t have liked,’ said Peggotty. ‘That I say, and that I swear!’