"After going through a lot of hardships" 可以用 "历经千辛万苦" 来表示。这个短语源自中文，表示经过了许多困难和艰辛。
例句：
She finally graduated from college after going through a lot of hardships. (她终于在历经千辛万苦后从大学毕业了。)
He achieved success in his business after going through a lot of hardships. (他在历经千辛万苦后取得了商业上的成功。)
They built their home after going through a lot of hardships. (他们在历经千辛万苦后建成了自己的房子。)