非请勿进

非請勿進
fēiqǐngwùjìn

no unauthorized entry

Wiktionary

Entry Composition

=1 非 Fēi abbr. for 非洲 Fēizhōu, Africa
=1 非 fēi
  1. to not be; not
  2. wrong; incorrect
  3. non-; un-; in-; de-
  4. to reproach; to blame
  5. (coll.) to insist on; simply must
2 请勿 qǐngwù please don't
3 进 jìn
  1. to go forward
  2. to advance
  3. to go in
  4. to enter
  5. to put in
  6. to submit
  7. to take in
  8. to admit
  9. (math.) base of a number system
  10. classifier for sections in a building or residential compound