Dictionary
ket'tle of fish'
1. an awkward, difficult, or bad situation; muddle; mess:
He's managed to get himself into a fine kettle of fish!
2. a state of affairs; a matter under consideration:
The new proposal is quite a different kettle of fish from the last one. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.