can’t do something for toffee

US /kænt du ˈsʌmθɪŋ fɔr ˈtɑfi/
UK /kænt du ˈsʌmθɪŋ fɔr ˈtɑfi/
"can’t do something for toffee" picture
1.

全くできない, 全然だめだ

to be very bad at doing something

:
I can't do something for toffee when it comes to cooking.
料理に関しては、私は全くできない
He can't do something for toffee at playing the guitar.
彼はギターを弾くのが全くできない