twenty-four seven
adverb /ˌtwenti ˌfɔː ˈsevn/
/ˌtwenti ˌfɔːr ˈsevn/
(also 24/7)
(informal)- twenty-four hours a day, seven days a week (used to mean ‘all the time’)
一天二十四小时，一星期七天（用以表示 “全天候”） - He's on duty twenty-four seven.
他不分昼夜地天天上班。
- He's on duty twenty-four seven.