- Oh, dad, I wonder if you'd let me...
- No!

4 seconds sound clip from the Dark Command (1940) movie soundboard.

You can hear this line at 00:09:14 in the Blu-ray version of the movie.

Quote context

[...]

- A cowboy came through town one day, and he got big ideas.

- He's been wanting to tote carry a gun ever since.

- I just saw a ruffian with a gun. He was no match for will Cantrell, who merely used his brain.

- Yes, but...

- Oh, hush. Now, not another word out of you.

- Go along. Stop aggravating your father.

- Oh, dad, I wonder if you'd let me...

- No!

- You two, shame on you. If I weren't around, you'd be at each other's throats all day.

- What are you gonna do when I get married?

- Don't you worry about us.

- Did Cantrell ask you to marry him?

[...]