If it isn't one thing, it's another.
3 seconds sound clip from The New Adventures of Winnie the Pooh - No Rabbit's a Fortress / The Monster Frankenpooh (S2E6).
You can hear this line at 00:01:57.505 in the Blu-ray version of the TV Series.
Quote context
[...]
- Hmm. Nah. Nah. Uh-huh. That's it. I missed my turnoff.
- Eh, no time to lollygag. Got places to be and tunnels to dig.
- Hmm. Hmph. I knew I should have brought along the big pick.
- There. This should keep everyone from trampling my garden every day.
- If it isn't one thing, it's another.
- Rabbit, I came to return the honey jars I borrowed for breakfast.
- How could you? You're in my garden.
- We are?
- The signs say keep out, among other things. Can't you read them?
- Oh, I can read them, Rabbit. I just can't see them.
- Piglet! Look what you've done.
- A young, vibrant carrot mooshed before its prime.
[...]