Oh, darling, I am sorry, but I lost my key.

5 seconds sound clip from the Breakfast at Tiffany's movie soundboard.

You can hear this line at 00:03:51 in the Blu-ray version of the movie.

Quote context

[...]

- What happened to you, anyway? You take off for the powder room and that's the last I see you.

- Now, really, Harry...

- Harry was the other guy. I'm Sid. Sid Arbuck.

- You like me, remember?

- Miss Golightly, I protest!

- Oh, darling, I am sorry, but I lost my key.

- But that was two weeks ago.

- You cannot go on and keep ringing my bell. You disturb me!

- You must have a key made!

- But it won't do any good. I just lose them all.

- Come on, baby. You like me. You know you do.

[...]