替某人服务, 替某人效劳

render a service render a service to render at sb.'s service take sb. into one's service do a service to give sb. a lead a horse on sb. hand sb. a lemon read sb. a lesson do sb. a favour sell sb. a pup render obedience to sb render a bill render a report to render a verdict render at sb's service be in sb's service at sb.'s service take sb into one's service be in sb.'s service take sb. into one's service