学海无涯;
Language learning is a lifelong developmental process, so don't think you can master English thoroughly only through a period of great effort, and you should know there's no end for language learning.
语言的学习是一个终生发展的过程,千万不要以为通过一段时间的刻苦努力就能完全掌握英语,要知道对语言是学无止境的。
简答网 · 高考英语