2N-COUNT 同伴;搭档 Your partner is the person you are doing something with, for example dancing with or playing with in a game against two other people. 同伴;搭档
...to dance with a partner.
和舞伴跳舞
My partner for the event was the marvellous American player.
那场比赛我的搭档是那位了不起的美国选手。
...a partner in crime.
共犯
3N-COUNT 合伙人 The partners in a firm or business are the people who share the ownership of it. 合伙人 [business]