串親訪友

to call on friends and relations (idiom)

to string together / to skewer / to connect wrongly / to gang up / to rove / string / bunch / skewer / classifier for things that are strung together, or in a bunch, or in a row: string of, bunch of, series of / to make a swift or abrupt linear movement (like a bead on an abacus) / to move across

parent / one's own (flesh and blood) / relative / related / marriage / bride / close / intimate / in person / first-hand / in favor of / pro- / to kiss / (Internet slang) dear

parents-in-law of one's offspring

(bound form) to visit / to call on / to seek / to inquire / to investigate

friend