1·Day by day, people began to realize that something big was happening on the lonely road.
一天天过去，人们开始意识到在这条孤独的道路上正在发生着一件大事。
2·They built up love day by day.
他们的爱一天天逐步建立。
3·Day by day, and I gradually grew up, but these are not interested in, and feel very naive.
一天天的，我渐渐长大了，反而对这些不感兴趣了，觉得很幼稚。
4·As the calendar day by day we have a page being turned in the past, we are ushered in the New Year.
随着台历一天天一页页地被我们翻过去，我们则迎来了新的一年。
5·Day by day, year, the sun and the moon flow.
一天天，一年年，日月流转。