经过几天的努力 After several days of effort
几经努力
After several efforts
以上为机器翻译结果，长、整句建议使用 人工翻译 。
几经努力，她终于考上了重点大学。
After much hard work, she finally got into a key university.
youdao
但我就是这个脾气，虽然几经努力，去未能改变过来。
But it's the way I am, and try as I might, I haven't been able to change it.
但我就是这个脾气，虽然几经努力，却未能改变过来。
But it is the way I am, and try as I might, I haven't been able to change it.
应用推荐
模块上移
模块下移
不移动