短篇小说是一种很难掌握的艺术形式。

The short story is a difficult art form to master.

《牛津词典》

写作不是一门容易掌握的手艺。

Writing is not an easy craft to master.

youdao

他掌握的党务工作知识无人可比。

He acquired unrivalled knowledge of party affairs.

《柯林斯英汉双解大词典》

That person didn't take ownership of his or her education.That person isn't deciding to be a part of the 3.091 community.

他没有掌握他自己学业的自主权,他没有决定要成为,我们这门课程的一部分。

麻省理工公开课 - 固态化学导论课程节选

So it really, you know, becoming familiar with the different methods is best done through experience, not through books.

所以，真的，你知道，熟练掌握不同的方法最好是通过经验，而不是通过书。

迷上网页设计 - SpeakingMax英语口语达人

They're capable of these extraordinarily delicate feats of dexterity, and that's because the poet has mastered his touch.

反而能够灵巧地完成精细的动作，这是因为诗人已经完全掌握了自己的触觉。

耶鲁公开课 - 弥尔顿课程节选