I envy your ability to master several languages.

我羡慕你能掌握数种语言。

youdao

A good programmer has to learn a lot, for example: mathematic, arithmetic, data structure, OS... and master several programming languages.

一个优秀的程序员需要学习很多东西，比如数学、算法、数据结构，操作系统……还得掌握好几门编程语言。

youdao

Mother has told some true stories about her past, from it I think, it's necessary to master one or several foreign languages. Because it's the window to know the world, and ties of friendship.

从母亲的真实故事（或经历）中，我也感受到，掌握一门或几门外语的重要，它是了解世界的窗口，是连接友谊的纽带。

youdao