A companion.

伙伴。

One belonging to a society or institution.

会员；会友。

Colleague.

同事。

One having partial membership.

准会员；预备会员。

Joined in interest, object, or purpose.

联合的；同志的；同道的。

Sharing office or employment, as a colleague or partner.

同僚的(如同事或合伙人)。

To unite; combine.

联合；结合。

To connect in thought, as ideas.

联想(如观念)。

To join or unite as an ally, friend, accomplice, or the like.

结交；合伙。

To unite in company; have fellowship.

相处；有结交。