Then you can work on them day by day.

然后你可以每天逐步完成它们。

Day by day, I learnt to trust people.

一天天地，我学会了信任别人。

The economic crisis is worsening day by day.

经济危机日益恶化。

Time flies, and the children grow up day by day.

光阴似箭，孩子们一天天长大。

The conflict in the region is intensifying day by day.

该地区的冲突正在日益加剧。

I go to work every day by bus.

我每天乘公共汽车去上班。

I go to work every day by subway.

我每天坐地铁去上班。

He goes to work every day by car.

他每天坐汽车上班。

He goes to work every day by motorcycle.

他每天都骑摩托车上班。

He didn't go to work that day by chance.

他恰巧在那天没有上班。