have/keep somebody on a string

have (someone) on a string

To have great influence over someone. If you want to have someone on a string, flattery always helps.
See also: have, on, string

keep (one) on a string

To maintain great influence over one. If you want to keep someone on a string, flattery always helps.
See also: keep, on, string
Farlex Dictionary of Idioms.

have/keep somebody on a ˈstring

make somebody do what you want because you have control over them: Of course, he’s rich and powerful enough to keep several people on a string.
This idiom refers to a puppet (= a model of a person or an animal) that is controlled with strings attached to parts of its body.
See also: have, keep, on, somebody, string
Farlex Partner Idioms Dictionary
See also:
  • all over the map
  • map
  • a great many
  • great many
  • have to go some
  • have to go some to (do something)
  • bag of wind
  • have a good name (somewhere or in something)
  • a people person
  • a walking disaster