slippery as an eel
So slippery that it is almost impossible to hold.
VERBS
be, feel, look
become, get
The bathroom floor became slippery after the shower, so I walked carefully.
make sth
Rain made the bathroom floor slippery, so we put down a mat for safety.
ADV
extremely, very
a bit
The bathroom tiles were a bit slippery after the shower, so I walked carefully.
PREP
with
The bathroom floor became slippery with soap, so I walked very carefully.