纵横驰骋 zòng héng chí chěng

DEFINITIONS

  1. to criss-cross
  2. to run unhindered across the whole country

CHARACTERS

纵 zòng indulge in, give free reign to
横 héng across
驰 chí go quickly or swiftly; hurry
骋 chěng gallop horse; hasten, hurry