面对困难从容的英文表达可以是 "face difficulties with composure" 或者 "deal with challenges calmly and confidently." 这个表达的来源可能源自人们对于应对困难时保持镇静和自信的观念。例句如下：

Despite the obstacles in his way, he managed to face difficulties with composure and eventually succeeded.
When faced with a difficult situation, it's important to remember to deal with challenges calmly and confidently.

中文翻译：

尽管面对了许多困难，他还是保持镇静，最终成功了。
面对困难的时候，记住要从容面对挑战是很重要的。