fact

事實、實情

You should check the facts before publishing the article.

發表這篇文章前，你應該先查證事實。

真實、真相

Children sometimes cannot tell fact from fiction.

小孩有時分不清真實與虛構。

細節、實情常用複數

The lawyer asked me to describe the facts of the accident.

律師要我描述這場意外的詳細經過。

根據、論據

His argument rests on fact, not on personal opinion.

他的論點建立在事實根據上，而非個人意見。

事實上、其實

He looks young, but in fact he's almost fifty.

他看起來很年輕，但其實他快五十歲了。