坚持到底怎么说？keep course?

stay the course.

坚持到底

目前已经变成了一句流行语!!!

要坚持到底
Persist to the end.

在句中用never give up也可以

金山词霸上的基本解释是:follow through 或 stick it out
但在具体表达中不尽相同,参考以下例句:
Persist to the end.
要坚持到底。

He is determined to face out the situation.
他决心坚持到底。

What is important is persistent to the end.
重要的是要坚持到底。

What is important is to be persistent to the end.
重要的是要坚持到底。

the continuance of something begun with a view to its completion.
开始的观点一直坚持到底。

stay on course

最简单而且最地道的就是keep your lines ，美国朋友教的