经过很大努力英语怎么说

"经过很大努力"可以用英文表示为"after much effort"或者"through great effort"。这个短语来源于拉丁文，其中"effort"来自拉丁文"effortem"，意思是"努力、费力"。
下面是一些例句：
After much effort, he finally passed the exam. 他经过很大努力终于通过了考试。
Through great effort, we were able to finish the project on time. 经过很大努力，我们成功在时间内完成了这个项目。
It took a lot of effort to learn a new language. 学习一门新语言需要很大的努力。
你也可以使用其他的短语来表示"经过很大努力"，例如"with great difficulty"或者"through sheer determination"。
例句：
With great difficulty, she finally managed to lift the heavy box. 她经过很大努力终于把沉重的盒子举起来了。
Through sheer determination, he was able to overcome his fear of heights. 他经过很大努力战胜了恐高症。