It is necessary to work hard on English.

对于我们来说，努力学习英语很必要。

youdao

Because she wanted to work hard on English.

因为她想要努力学习英语。

youdao

The twins are going to work hard on English.

这对双胞胎下学期要努力学英语。

youdao

So I just sit in there and work on, work on the sounds that are hard for my English tongue to produce.

有一些和英语发音不同的地方让我感到很难，我会长时间地练习这些发音。

想学好英语吗？ - SpeakingMax英语口语达人

For one, the essence of the American dream: how a little Cuban-American kid on the margins of mainstream America could grow up with confidence, have the opportunity to become an engineer thanks to the hard work of his parents who could barely speak English, and then go on, choosing to become a poet who is now asked to speak to, for and about the entire nation.

CNN: Inaugural poet: My story is America's