歃血为盟

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

to drink

to smear one's lips with the blood of a sacrifice as a means of pledging allegiance (old)

blood / colloquial pr. [xie3] / CL:滴[di1],片[pian4]

as (in the capacity of) / to take sth as / to act as / to serve as / to behave as / to become / to be / to do / by (in the passive voice)

because of / for / to

variant of 為|为[wei2] / as (i.e. in the capacity of) / to take sth as / to act as / to serve as / to behave as / to become / to be / to do

variant of 為|为[wei4]

variant of 為|为[wei2]

oath / pledge / union / to ally / league, a subdivision corresponding to prefecture in Inner Mongolia