Senses
牵线/ 牽線 to act as a go-between
To mediate or act as a middleman to help two parties establish a relationship; to facilitate contact between people.
牵线/ 牽線 to pull strings
To control or manipulate from behind the scenes, like pulling the strings of a puppet.
牵线/ 牽線 to hold a string
To pull or hold a piece of string, wire, or thread in a literal sense.