twist someone's arm
US /twɪst ˈsʌm.wʌnz ɑːrm/
UK /twɪst ˈsʌm.wʌnz ɑːrm/

1.
扭某人的胳膊, 說服某人
to persuade someone to do something they do not want to do
:
•
I didn't want to go, but she twisted my arm.
我不想去,但她扭了我的胳膊。
•
He didn't agree at first, but we managed to twist his arm.
他一開始不同意,但我們設法說服了他。