She's not here.
2 seconds sound clip from the The Secret of NIMH (1982) movie soundboard.
You can hear this line at 00:15:05.405 in the Blu-ray version of the movie.
Quote context
[...]
- Jeremy, you're stepping on my tail.
- Oh, yeah. Excuse me. Pardon me.
- Maybe I should go look for Mom.
- Oh, no. She'll wake up Timothy.
- Why does she always come around here poking her nose where she's not wanted?
- Martin!
- Thank you, child. I must speak with your mother.
[...]