be (not) a patch on

be (not) a patch on

To be just as good as someone or something else. Often used in the negative to emphasize someone or something's inadequacy. Primarily heard in UK, Australia. Alice is a patch on the lead actress in the school play, which is why she was chosen as the understudy. I loved my old boss—this new guy is not a patch on her.
See also: on, patch
Farlex Dictionary of Idioms.

not be a ˈpatch on somebody/something

(informal, especially British English) not be nearly as good as somebody/something: The film isn’t a patch on the book.
See also: not, on, patch, somebody, something
Farlex Partner Idioms Dictionary
See also:
  • be out of (one's) league
  • be out of somebody's league
  • accompany (one) on a/(one's) journey
  • accompany on a journey
  • a happy bunny
  • a happy camper
  • brief (someone) about (someone or something)
  • brief about
  • be/have done with somebody/something
  • (one) puts (one's) pants on one leg at a time