Youth only recognizes age by fits and starts .

青春只是偶尔认识老年。

Most of us serve our ideals by fits and starts.

大多数人对待理想时冷时热。

Reading is not the night five drum, is work by fits and starts.

读不在三更五鼓，功只怕一曝十寒。

As you may know that most people in China learn English by fits and starts.

正如你所知道的，中国大多数人学习英语都是忽冷忽热。

After a deep three-year recession the world high tech industry seems to be moving forward, if still by fits and starts.

经历了三年的严重衰退之后，目前世界高技术产业虽然还时有波动，但看起来正在步入复苏。