相依為命

mutually dependent for life (idiom); to rely upon one another for survival / interdependent

each other / one another / mutually / fret on the neck of a pipa 琵琶[pi2 pa5] (a fret on the soundboard is called a 品[pin3])

appearance / portrait / picture / government minister / (physics) phase / (literary) to appraise (esp. by scrutinizing physical features) / to read sb's fortune (by physiognomy, palmistry etc)

to be interdependent

to depend on / to comply with or listen to sb / according to / in the light of

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

life / fate / order or command / to assign a name, title etc