【任由某人支配】

at sb's disposal由某人支配 at the beck and call of sb.听某人调遣

eat out of sb.'s hand/at sb.’s command听命于某人

in the palm of one's hand在...完全控制下

on call随叫随到的

at one’s fingertip随时可供应用

at sb.’s command听某人吩咐

in sb.’s pocket在某人掌握中