随叫随到 suí jiào suí dào

DEFINITIONS

  1. to be available at any time
  2. to be on call

CHARACTERS

随 suí
HSK 4
follow, listen to, submit to
叫 jiào
HSK 1
cry, shout; hail, greet, call
随 suí
HSK 4
follow, listen to, submit to
到 dào
HSK 2
go to, arrive, been to