English is not very difficult to study . Like learning Chinese , you just need practice.
It is not late for you to learn english very well as a freshman.
我也有类似的经历,最重要的是有信心,面对新的学业,可能暂时难以消化,慢慢来,不要着急,把基础打好。我是高二下半学期才把成绩提上去。
很重要的教训之一就是熬夜,反而使白天精神不好,一天就迷迷糊糊过去了,更加重了心理负担,记得早点休息,也许熬夜对你来说并不合适,只有白天听课时全神贯注,才能事半功倍。
I think the key for learning is to pracite . You need more practice . Every subjuct needs this.
Learning english ,you need read more, speak more , recite more . You'd better remember more articles.
You can read english loudly , like crazy english. It is very useful.