关于“世上无难事，只怕有心人”的英文翻译及相关谚语，综合整理如下：

一、核心翻译

直接翻译

- "Nothing in the world is difficult for one who sets his mind to it."（世上无难事，只怕有心人）

其他常见表达

- "Nothing is difficult if you put your heart into it."（只要你用心去做）

- "Where there is a will, there is a way."（有志者事竟成）

- "It's dogged that does it."（有毅力者能成功）

二、相关英文谚语推荐

毅力类

- Never say die. 永不言败

- No cross, no crown. 不经历风雨，怎么见彩虹

- Where there's a will, there's a way. 心志所愿，无事不成

行动类

- New wine in old bottles. 旧瓶装新酒

- Never too old to learn, never too late to turn. 亡羊补牢，为时未晚

- No garden without its weeds. 环境需要净化

生活智慧类

- Curing illness is like raising tigers. 养病如养虎，治病如抽丝

- No smoke without fire. 无风不起浪

- Nothing dries sooner than a tear. 眼泪干得最快

这些谚语均围绕坚持、毅力与行动的重要性展开，与“世上无难事，只怕有心人”传达的积极进取精神高度契合。