- I suppose it would be expecting too much to ask you in for tea?
- Oh, I should say rather not.

8 seconds sound clip from the Ruggles of Red Gap (1935) movie soundboard.

You can hear this line at 00:51:11 in the Blu-ray version of the movie.

Quote context

[...]

- Whoa. Why, Colonel Ruggles.

- Good afternoon, Mrs Judson. Whoa.

- Oh, I say, that print gown suits you no end.

- Oh, do you like it?

- Oh, yes.

- What a spiffy little garden you have!

- I suppose it would be expecting too much to ask you in for tea?

- Oh, I should say rather not.

- Mr Barker, stop! Come here! Get out! Mr Barker! Mr Barker! Out!

- There. I'm so sorry. You see, he's never seen an English cowboy.

- Cowboy? Hm.

- I say, what a snug little home you have.

[...]