at someone's disposal
US /æt ˌsʌm.wʌnz dɪˈspoʊ.zəl/
UK /æt ˌsʌm.wʌnz dɪˈspoʊ.zəl/

1.
供某人使用, 任由某人支配
available for one to use whenever or however one wishes
:
•
I have a car at my disposal for the weekend.
週末我有一輛車供我使用。
•
The company has vast resources at its disposal.
公司擁有大量資源供其支配。