战胜困难用英语可以说成 "overcome difficulties"。这个说法来源于英语中的动词"overcome"，意思是"战胜，克服"。例如：

She overcame her shyness and gave a great presentation.

她克服了自己的害羞，做了一个很棒的演讲。

We must overcome these obstacles if we want to succeed.

如果我们想要成功，就必须克服这些障碍。

He has overcome many difficulties in his life.

他已经克服了生活中的许多困难。