I'll make it up day by day.
我会一天天弥补的。
以上这一句英语之中，我觉得有几个英语词汇比较重要，在此单独放出来做详细解释，方便大家理解：
make it up
英 [me?k ?t ?p] 美 [me?k ?t ?p]
弥补；和好如初
双语例句
I'll try to?make?it?up?to you in the future.
以后我会设法补偿你。
牛津词典
Make?it?up?if there’s any shortage.
不够再找补点儿。
权威词典
When the young couple have a quarrel, they’ll?make?it?up?in no time. You mustn’t meddle in it.
小两口吵了架，一会儿就好啦。你可别在里边和弄。
day by day
英 [de? ba? de?] ?美 [de? ba? de?]
一天天地
双语例句
Others were told to plan activities and goals in much more detail,?day?by?day.
其他人则被命令要更详细地计划每天的活动和目标。
Day?by?day?I grew worse.
我的情况一天天地越来越糟。
Population is growing?day?by?day.
生齿日繁。