- Have another go. Try as you've never tried before. 
- All right, for what it's worth.
4 seconds sound clip from the Dead of Night (1945) movie soundboard.
You can hear this line at 01:09:03.483 in the Blu-ray version of the movie.
Quote context
[...]
- Is it, darling? I didn't count!
- Well, I think I'll be turning in, darling.
- Yes, I think I'll turn in, too.
- So am I.
- I don't wonder. I'll just go and count the cups.
- Yes, darling. I always count the cups before bed.
- Look here, this is intolerable!
- Yes, I quite agree, but what can I do? Everything's failed.
- Have another go. Try as you've never tried before.
- All right, for what it's worth.
- Shut your eyes. It'll help you to concentrate.
- Oh, of all the caddish tricks. I can't think what's come over you.
- It's entirely your fault. You can't cheat a ghost.
- What the devil are we going to do now?
- I shall have to go on trying, that's all.
[...]

 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)