at one's service

at one's service  {adv. phr.}
1. Ready to serve or help you; prepared to obey your wish or command; subject to your orders.
He placed himself completely at the President's service.
"Now I am at your service," the dentist told the next patient.
2. Available for your use; at your disposal.
He put a car and chauffeur at the visitor's service.
Categories: adverb

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