I offered to give him a game. I soon found to my cost he was playing better than ever.
5 seconds sound clip from the Dead of Night (1945) movie soundboard.
You can hear this line at 00:59:27.586 in the Blu-ray version of the movie.
Quote context
[...]
- Hmm. Seems as if I've got my work cut out then.
- Ho-ho! Jolly good putt, old man. Well, here's for it.
- Well, that's that! Grand finish and grand game.
- An almost incredible finish.
- With Mary in the bag, Parratt realised it was time to turn his mind once more to serious things.
- He hadn't touched his clubs since the Potter tragedy, and he needed practice.
- I offered to give him a game. I soon found to my cost he was playing better than ever.
- Life obviously seemed very good to him.
- And then we reached the lake.
- Good morning, George, old man. Still cheating?
- Oh, yes, it's me all right. I've returned from my watery grave to haunt you.
- Cheat! Cad! Twister! Worm! Skunk! Rat! Rabbit!
[...]

 Dead of Night (1945)
 Dead of Night (1945)  Phantom of the Opera (1943)
 Phantom of the Opera (1943)  Scooby-Doo, Where Are You! (1969)
 Scooby-Doo, Where Are You! (1969)  Halloween III: Season of the Witch (1982)
 Halloween III: Season of the Witch (1982)  Knight Rider (1982)
 Knight Rider (1982)