do (someone) no service

(redirected from did them no service)

do (someone) no service

To do something that hinders or causes trouble for someone else. You do your kids no service by catering to their every whim.
See also: no, service

do somebody a/no ˈservice

(formal) do something that is helpful/not helpful to somebody: She was doing herself no service by remaining silent.
See also: no, service, somebody