You don't have to work very hard to figure out what these different facial expressions mean.

你不必努力地去学习,去辨析不同面部表情的含义。

耶鲁公开课 - 心理学导论课程节选

I've been studying really hard, but I just don't get it.

我一直很努力地学习，但总是学不好。

I'm worried 实战 - SpeakingMax英语口语达人

and she had really been struggling with it.

她真的一直很努力地在学习。

和钢琴老师 - SpeakingMax英语口语达人

It turns out that if you start learning a language, a second language is where most of the work's been done, within the first few years of life you're fine.

如果你在出生的头几年里开始学习一门语言,非常努力地学习了第二门语言,那么你一切正常

耶鲁公开课 - 心理学导论课程节选