請享用！

Enjoy!

Source: Tatoeba

Sentence Composition

=1 請 qǐng
  1. to ask
  2. to invite
  3. please (do sth)
  4. to treat (to a meal etc)
  5. to request
=1 請 qīng only used in 請室／请室 (qīngshì)
2 享用 xiǎngyòng to enjoy (i.e. have the use or benefit of)