- I can't believe it.
- What, dear?
- She says that Daniel has some woman living with him pretending to be his sister!

10 seconds sound clip from the Mrs. Doubtfire movie soundboard.

You can hear this line at 01:12:38 in the Blu-ray version of the movie.

Quote context

[...]

- Tony, this is Mr. Lundy.

- He knows who I am.

- Yeah.

- Did you ever wish that sometimes you could freeze-frame a single moment in your day, look at it and say, This is not my life?

- Miranda, what are you home early for, dear?

- I had an appointment.

- Oh, thank you.

- That's all right.

- With the court liaison Mrs. Sellner.

- I can't believe it.

- What, dear?

- She says that Daniel has some woman living with him pretending to be his sister!

- I told her he doesn't even have a sister.

- Oh, Mrs. Sellner's probably mistaken.

- Oh, she's a social worker, dear, really.

- And, besides, how could he replace you and so quickly, really?

[...]