Meaning:
at someone's beck and call or at the beck and call of someone
: always ready to do whatever someone asks
▪ He expects his employees to be at his beck and call day and night. ▪ She is at the beck and call of the committee.
▪ He expects his employees to be at his beck and call day and night. ▪ She is at the beck and call of the committee.
— compare 2beck




