上行 shàng xíng

DEFINITIONS

  1. (of trains) up (i.e. towards the capital)
  2. (of river boats) to go against the current
  3. to submit (a document) to higher authorities

CHARACTERS

上 shàng
HSK 1
top; superior, highest; go up, send up
行 xíng
HSK 3
go; walk; move, travel; circulate