have someone in the palm of your hand
US /hæv ˈsʌm.wʌn ɪn ðə pɑːm əv jʊər hænd/
UK /hæv ˈsʌm.wʌn ɪn ðə pɑːm əv jʊər hænd/

1.
将某人玩弄于股掌之间, 完全控制某人
to have complete control over someone
:
•
The charismatic leader seemed to have the crowd in the palm of his hand.
这位魅力非凡的领导者似乎将人群玩弄于股掌之间。
•
After years of working together, she finally felt she had her boss in the palm of her hand.
多年合作后,她终于觉得她把老板玩弄于股掌之间了。