不要紧

不要緊
bùyàojǐn
  1. unimportant
  2. not serious
  3. it doesn't matter
  4. never mind
  5. it looks all right, but

CEDICT

Entry Composition

1 不要 bùyào don't!; must not
2 紧 jǐn
  1. tight
  2. strict
  3. close at hand
  4. near
  5. urgent
  6. tense
  7. hard up
  8. short of money
  9. to tighten