keep up the good work

keep up the good work

To continue performing or executing one's duties to an established degree of excellence or adequacy. Usually used as a phrase of praise and encouragement. The design is looking really good so far, Martha. Keep up the good work! I just wanted to swing by the branch and make sure your team was keeping up the good work!
See also: good, keep, up, work
Farlex Dictionary of Idioms.

Keep up the good work.

Please keep doing the good things that you are doing now. (A general phrase of encouragement.) Father: Your grades are fine, Bill. Keep up the good work. Bill: Thanks, Dad. "Nice play," said the coach. "Keep up the good work!"
See also: good, keep, up, work
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • (one's) best foot forward
  • break a leg
  • Break a leg!
  • (as) sure as eggs (is eggs)
  • this too shall pass (away)
  • give it time
  • 57
  • go get 'em
  • keep the faith
  • Keep the faith baby!