at someone's beck and call
US /æt ˈsʌm.wʌnz bɛk ænd kɔl/
UK /æt ˈsʌm.wʌnz bɛk ænd kɔl/
1.
随叫随到, 听候差遣
always available to do whatever someone asks
:
•
She expects her assistants to be at her beck and call 24/7.
她希望她的助手们能24/7随叫随到。
•
I can't always be at your beck and call; I have my own life.
我不能总是随叫随到；我也有自己的生活。