不怕困难的英语谚语有以下几种表达：

All things are difficult before they are easy.

万事开头难。

Constant dripping wears away the stone.

锲而不舍，金石可镂。

Difficult circumstances serve as a textbook of life for people.

困难坎坷是人们的生活教科书。

Failure is the mother of success.

失败是成功之母。

DARE to do or be brave.

敢做敢为。

Never say never!

永远不要说不可能!

Where there is difficulty, there is strength.

有困难的地方就有力量。

Difficult as a spring, you hard it soft, you soft it hard.

困难像弹簧，你硬它就软，你软它就硬。

To practice is difficult, but to attract me, it is the difficulty itself.

实践是困难的，但吸引我的正是这个困难本身。

Many runners fail when they are tired.

许多赛跑的人在最后几步失败。

这些谚语都表达了面对困难时的积极态度和坚持不懈的精神，鼓励人们勇敢面对挑战，将困难转化为成长的机会。