Teenagers are still at the stage of learning to tell right from wrong, so they might make mistakes sometimes.

青少年仍处于学习辩是非的阶段，所以有时候他们会犯错。

youdao

I still am in a learning stage with Linux and am enjoying the experience.

我在Linux方面还处在学习阶段，我也很享受这个过程。

youdao

At this time, learners have not grasped the basic usage, therefore are still in the basic stage of language learning.

此时的学习者对这门外语的基本用法还未掌握，因此尚处于学习语言的基础阶段。

youdao

In conversation and on stage, Mr. Fullbright avoids unnecessary small talk, conceding he's still learning how to present himself to the public.

WSJ: Father John Misty | John Fullbright | The Promising Futures of a Disparate Pair | By Jim Fusilli