非工作人员禁止入内。

No admittance except on business.

Entry is strictly for staff only.

Source: Tatoeba

Sentence 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 工作人员 gōngzuòrényuán staff member
3 禁止 jìnzhǐ
  1. to prohibit
  2. to forbid
  3. to ban
4 入内 rùnèi to enter; to go inside