2--But as an idiom, this phrase is not about transportation. Miss the Boat
 
1--Have you heard back about the pop-up book design program in Miami?
 
2--Um, no. Actually, I missed the application deadline.
 
1--What?　You would have loved that. You really missed the boat by not applying!
 
2--If you "miss the boat", you missed your chance at a good opportunity.
 
1--It can also mean to not understand something.
 
2--For example, you might "miss the boat" on an important English grammar point.
 
1--Anna "missed the boat" when she did not apply for a program she would have enjoyed.
 
===================================
注解：
 
1.harbor海港
2.transportation运输
3.opportunity机会

===================================
译文：

1--如果你到达港口太晚，没有赶上轮船，你就可以说“我错过了轮船。”
2--但这个短语作为习语，它和交通并无关联。错失良机
1--你有没有听到迈阿密立体书设计项目的信息呢？
2--嗯，没有。实际上我错过了申请的最后期限。
1--不会吧？你本来是喜欢它的。你因为没有申请而错失良机！
2--如果你“错失良机”，你失去了一个不错的机会。
1--这个短语还指不理解某事。
2--比如，你可能会不理解一个重要的英语语法点。
1--当安娜没有申请她本来喜欢的项目的时候，她就“错失良机”了。