可以用pupil，learner代替。This is a problem that almost every learner will encounter.
这几乎是每个学习者都会遇到的问题。
This English learner can communicate with foreigners confidently.
这位英语学习者能自信地与外国人交流。
As a learner， he drives very well.
作为一个学员，他开车开得很好。
I know he's been a slower learner so far. But we need to have faith in him.
我知道他学东西比较慢。但是我们对他要有信心。
He was not so quick a learner as his brother.
他学东西不像他哥哥那么快。
