can’t do something for toffee
US /kænt du ˈsʌmθɪŋ fɔr ˈtɑfi/
UK /kænt du ˈsʌmθɪŋ fɔr ˈtɑfi/

1.
一塌糊涂, 完全不行
to be very bad at doing something
:
•
I can't do something for toffee when it comes to cooking.
我做饭一塌糊涂。
•
He can't do something for toffee at playing the guitar.
他弹吉他一塌糊涂。