at someone's beck and call
成語所屬單字beck
at someone's beck and call — 慣用語
1. constantly available to do whatever a person wants, usually because they expect
1.慣用語
釋義
隨叫隨到；任人差遣
constantly available to do whatever a person wants, usually because they expect it or demand it.
例句
Ravi was tired of being at his boss's beck and call every weekend.
The young prince had three servants at his beck and call from morning until night.