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- The nurses and doctors take turns to be on night duty. 护士和医生轮流值夜班。
- They were taking turns to be on the night shift. 他们轮流做夜班。
- It is my turn to be on duty today. 今天轮到我值日。
- It is your turn to be on duty today. 今天轮到你做值日了。
- He and his wife seem to be on the outs these days. 他和他的妻子最近似乎感情很不好。
- Whose turn is it to be on duty today? 今天轮到谁值日?
- The couple seemed to be on cloud nine. 那对夫妇看上去极其幸福。
- Whose turn is it to be on duty tomorrow? 明天轮到谁值日?
- It's Li Lei's turn to be on duty. 轮到李磊值日了。
- It's time for you to be on duty. 到你值日的时间了。
- That newscaster is a showboat, she wants to be on camera all the time. 那新闻播报员是一个爱现的人，她随时想上镜头。
- It's your turn to be on duty tomorrow. 明天轮到你值日了。
- It's your turn to be on duty, today. 今天轮到你值日了。
- Is it your turn to be on duty today? 今天轮到你值日吗?
- I'd love to come. But I have to be on duty this weekend night. 我是想过来，但我周末晚上得值班。
- The police warned people to be on the watch for intruders. 警方预先通知大家防备有外人闯入。
- Doctors are expected to be on call day and night. 医生日夜准备应诊看病。
- The citizens were warned to be on guard against a sudden night attack. 市民们得到通知，要提防夜间的突然袭击。
- You'll have to look sharp if you want to be on time. 如果你想准时的话,就得赶快。
- The number of burglaries in the area seems to be on the increase. 这一地区的入室盗窃案件似有增无已。
