be of service (to someone or something)
To help, serve, assist, or work for someone or some group or organization. Good evening, sir, how may I be of service? My father was of service to that company for over 50 years, and the only thing they gave him at the end was a cheap watch. The resident file clerk is here! How can I be of service?
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.