互相聯繫

mutually related / interconnected

each other / mutually / mutual

mutual

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 interact / interrelated

to ally / to unite / to join / (poetry) antithetical couplet

connection / contact / relation / to get in touch with / to integrate / to link / to touch

to tie / to fasten / to button up

to connect / to arrest / to worry