通行证 tōng xíng zhèng

DEFINITIONS

  1. a pass (authority to enter)
  2. a laissez-passer or safe conduct

CHARACTERS

通 tōng
HSK 4
pass through, common, communicate
行 xíng
HSK 3
go; walk; move, travel; circulate
证 zhèng
HSK 4
prove, confirm, verify; proof