"天天向上"用英语可以说成 "make progress every day"。这个短语来源于中文，它的意思是"每天都在进步"。

一些英文例句可能是：

I'm trying to make progress every day in my studies.

If you work hard and make progress every day, you'll eventually reach your goals.

Making progress every day is a great way to stay motivated and keep moving forward.