better get going

基本解释

I better get going.
最好我去買。
You had better get going or you will be late for school !
你最好快一點，不然上學要遲到了。
edu.sina.com.cn
Jeff : They kind of try to ignore it. Anyway, I'd better get going. Good luck sneaking back into the house!
傑夫：他們有點想要淡化此事。不琯怎樣，我該走了。祝你順利霤廻房子喔！

For example: "There is no research that says that if you fire the principal you're going to get better results.
So we found precisely one point on this best response picture, and there's a lot of points to find, and it's 20 past 12, so we better get going.
現在我們衹找到了最佳對策曲線上的一點,我們還需要找到更多的點,現在12點20了,我們得快點了
耶魯公開課 - 博弈論課程節選
So you're going to get more better and better. Listen a lot of English songs and try to sing with them.
所以，你會變得越來越好。聽大量的英文歌曲，竝學著唱。
英語學習就要這樣 - SpeakingMax英語口語達人

That said, it is going to take years, and the sooner we get going the better.
FORBES: Biofuel From Algae: Different Prognoses