歃血为盟 shà xuè wéi méng

DEFINITIONS

  1. to smear the lips with blood when taking an oath (idiom)
  2. to swear a sacred oath

CHARACTERS

歃 shà smear one's mouth with blood of a victim when taking an oath
血 xuè
HSK 5
blood; radical number 143
为 wéi
HSK 2
do, handle, govern, act; be
盟 méng
HSK 6
swear; oath, covenant, alliance