“腿和脚”习语

“腿和脚”习语
1.Break a leg 祝你好运
2.fall head over heels in love 爱得神魂颠倒
3.get cold feet 临阵退缩
4.get off on the wrong foot 出师不利，起步便错
5.cost an arm and a leg 价格非常昂贵
have an affair with someone 与某人有一腿
7.two timer劈腿 ???