45.If he has ambitious goals and is willing to put in long hours，everyone in his unit with follow his example.

四级词汇讲解:

be willing to do意为“愿意、乐意做(某事)”，表示是个人自愿的。put in long hours在句中意为“投入大量时间”;follow one's example意为“效仿某人，以某人为榜样”。如:I will follow your example and focus on my research.我要以你为榜样，将精力放在我的研究上。

英语四级考点归纳：

短语pit in在口语中经常出现，其意义归纳如下:

※ 意为“花费，投入(时间、心思等)”。如:
You have to put in a lot of effort to learn a foreign language.学习外语需要付出很多努力。

※ 意为“安装”。如:
We"re having a new bathroom put in.我们正在安装一套新的洗漱设备，

※ 意为“打断，插话”。如:
Can I put in a word?我能插句话吗?

※ 意为“正式提出(要求等)”。如:
The company has put in a claim for the damage to the goods.该公司已就货物的损坏提出索赔