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.
將某人玩弄於股掌之間, 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.
這位魅力非凡的領導者似乎將人群玩弄於股掌之間。
•
After years of working together, she finally felt she had her boss in the palm of her hand.
多年合作後,她終於覺得她把老闆玩弄於股掌之間了。