跑的快英文怎么说?

"Run fast" 是跑得快的英文表达。

例句：

He is a fast runner. 他是一个快跑者。
She runs faster than anyone else in her class. 她比她班里的任何人都跑得快。
The cheetah is known for its abipty to run very fast. 猎豹以其快跑能力而闻名。

来源：“Run fast” 是由两个单词组成的短语，"run" 是跑的意思，"fast" 是快的意思。