person who takes part in an activity with another or others
either of two people dancing together or playing a game on the same side
either of two people who are married to one another or having a sexual relationship with one another
act as or be the partner of sb
"the musician and the librettist were collaborators"
"Astaire partnered Rogers"
How you doing, partner?
出自： E. Leonard
John has partnered up with Mary.