He is unarguably an outstanding man.

毋庸置疑，他是一个出色的人。

《柯林斯英汉双解大词典》

She is unarguably one of the country's finest athletes.

她无疑是全国最优秀的运动员之一。

《牛津词典》

He is unarguably a great poet.

他无疑地是位伟大的诗人。

youdao

Unarguably, it is right and just to pursue those whom the government thinks have broken the law.

ECONOMIST: America's corporate trials

Fall short, and the era in which majority single-party governments were the Canadian norm will unarguably have ended.

ECONOMIST: Canada's general election

Another aspect of this is the American characteristic of our individualism that is unarguably knitted together into a social fabric of cooperation.

FORBES: What Is the Chinese Dream? -- Part II