1、two-timev.informaltodeceivesomeone you are having arelationshipwith by having asecretsexualrelationshipwith someoneelseat the sametime脚踏两条船；对…不忠
3、cheat on sb.也可以用cheat on someone来表示在一段感情中背叛某人
5、例：Did you know he was cheating on his wife?你知道他在对他的妻子劈腿吗？
7、例：Can youdothe splits?你能劈叉吗？
