Two-time somebody一脚踏两船
two-time attack两个节奏进攻;两个时间进攻
two-time loading二次受力
two-time vibration两次振动
two-time compensation二次补偿
two-time mapping二次映射
two-time theory二次说
two-time catheterization二次置管
V（动词） to deceive (someone, esp a lover) by carrying on a relationship with another (对爱人)不忠 [非正式]