不亚

不亞
bùyà
  1. no less than
  2. not inferior to

CEDICT

Entry Composition

1 不 bù
  1. no; not so
  2. (bound form) not; un-
2 亚 yà
  1. second
  2. next to
  3. inferior
  4. sub-
  5. Taiwan pr. yǎ