一天又一天英语

表示疲惫用day after day，如I couldn't stand sitting at a desk day after day.I couldn't stand listening to your complaint day after day.day by day,表示“一天天的，（越来越……）”【有变化】如Her health was improving day by day.

day in, day out

dayindayout; dayafterday; DayByDay一天又一天他们一天又一天，一周又一周，一月又一月地工作着。Dayafterday,weekafterweekandmonthaftermonththeyworkedon.一天又一天，这个婴孩在一个星期之内重新出现了两次、三次、四次。Dayafterday,two,three,fourtimesaweek,thisBabyreappeared.

day after day 没什么变化day by day 有变化如果一直是疲惫，就用day after day

day after day