成功的关键用英文怎么说

"Key to success" 是表示成功的关键的常用说法。这个短语的起源可以追溯到19世纪，当时用来描述某些重要因素或关键策略对于成功的至关重要性。

例句：

Hard work is the key to success. (努力工作是成功的关键。)
Perseverance is the key to success. (毅力是成功的关键。)
A positive attitude is the key to success. (积极的态度是成功的关键。)