N the time spent by an employee at work in non-work-related activities like socializing, surfing the internet, making personal telephone calls, etc (工作时间内的)做与工作无关的事所花的时间 [非正式]
undertime-pay[劳经] 不足工时工资
I should write undertime我
N（名词） the time spent by an employee at work in non-work-related activities like socializing, surfing the internet, making personal telephone calls, etc (工作时间内的)做与工作无关的事所花的时间 [非正式]