縱橫馳騁 zòng héng chí chěng

DEFINITIONS

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

CHARACTERS

縱 zòng indulge in, give free reign to
橫 héng across, horizontal, lateral
馳 chí go quickly or swiftly; hurry
騁 chěng gallop horse; hasten, hurry