素不相识

素不相識
sùbùxiāngshí
to be total strangers (idiom)

CEDICT

Entry Composition

1 素 sù
  1. raw silk
  2. white
  3. plain, unadorned
  4. vegetarian (food)
  5. essence
  6. nature
  7. element
  8. constituent
  9. usually
  10. always
  11. ever
2 不 bù
  1. no; not so
  2. (bound form) not; un-
3 相识 xiāngshí
  1. to get to know each other
  2. acquaintance