请向前一步。

Please step forward.

Please come forward.

Source: Tatoeba

Sentence Composition

1 请 qǐng
  1. to ask
  2. to invite
  3. please (do sth)
  4. to treat (to a meal etc)
  5. to request
2 向前 xiàngqián
  1. forward
  2. onward
3 一步 yībù one step; a single step