上班:to go to work; to report for duty; to be at work; to be on duty; to be on the job下班:to get off duty; to come off work; to go off duty; to be released from duty注意:如果你强调在班上,或者不在上班的状态可以用be on/off duty当你把上班当成动词,理解为去上班,去下班时,用go to work; go on dutycome off work;come off duty望采纳,谢谢您!~