Twist someone’s arm 说服某人做他不想做的事情
e.g. I wasn't going to come, but George twisted my arm. 我本来没打算来,但是乔治非要让我来。
e.g. I didn’t want to stay for dinner, but Sally twisted my arm. 我不想留下吃饭,但是萨利非要我留下来。
e.g. They had to twist his arm but they eventually got Bill to join the project. 比尔不太愿意,但是他们一直劝他,最后终于说服比尔参加这个项目了。