I think the only common denominator of success is hard work.

我认为成功的唯一共同之处就是努力工作。

《柯林斯英汉双解大词典》

The only passport to success is hard work.

获得成功的唯一途径就是艰苦奋斗。

《牛津词典》

Some people think that a beautiful appearance can lead to success, however, the only passport to success is hard work.

人们认为单凭美貌也可能获得成功，然而，获得成功的唯一途径就是艰苦奋斗。

youdao

This social success is clearly hard work but it also requires a pretty authentic way with fans.

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All the themes of upper-class English life are here: sex and incest, class, inequality and the enduring tussle over whether the best path to success is through hard work or effortless charisma.

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What I have learned is that success usually comes from hard work and constantly adapting to reality.

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