Dictionary/歃血为盟

歃血为盟 歃血為盟

shà xuè wéi méng

ㄕㄚˋ ㄒㄩㄝˋ ㄨㄟˊ ㄇㄥˊ
Idiom
1to smear the lips with blood when taking an oath (idiom)
2to swear a sacred oath

Characters