He says the U.S. is taking this day by day.

他说美国将逐步实现目标。

It appears that the President's chances grow dimmer day by day.

看来总统的机会日益渺茫。

It's getting warmer day by day.

天气一天比一天暖和了。

Friday was a quick learner and his English got better day by day.

星期五学得很快，他的英语讲得一天比一天好。

Day by day, each grew more sickened by Nazi ideology.

日复一日，他们每个人都对纳粹意识形态越来越厌倦。

By day, the charming boutiques and cafes hum with shoppers.

白天，迷人的精品店和咖啡馆充满顾客而一片热闹。

It could delay the process by days or weeks.

这会使整个弹劾议程推迟数天甚至数周。

Why was it never seen by day?

白天为何没人看到过它呢？

Nor sit all day by the fire!

别整天坐在火炉旁！

This chick will grow day by day.

在随后的每一天里, 这只小鸡都会慢慢长大。

I start the day by setting priorities.

我通过设定事项的轻重缓急来开始一天的工作。

He studied by night, planned by day.

他在夜间学习，在白天做计划。

By day three, Gardner was moody and uncoordinated.

第三天，Gardner变得喜怒无常，动作也无法协调。

I have to go to bed by day.

大白天我就得上床睡觉。

By day, she's a really cute puppy.

白天的时候她是一只非常可爱的小狗。

Yes, but it can not see well by day.

是啊，但它白天看不清东西。

Day by day, everything seems different, yet the same.

渐渐地，事事似乎都有不同，却还是一样。

She said, " things are getting worse day by day."

“情况一天比一天糟。”

If you're " day by day" stay becomes a " vacation" .

如果你日复一日待在这里就变成了假期。

I needed something that I could do bit by bit, day by day.

我的方法需要从一点一点，日积月累做起。